diff --git a/packages/flutter_tools/lib/src/application_package.dart b/packages/flutter_tools/lib/src/application_package.dart
index dc37efd760..01f0929996 100644
--- a/packages/flutter_tools/lib/src/application_package.dart
+++ b/packages/flutter_tools/lib/src/application_package.dart
@@ -29,6 +29,10 @@ abstract class ApplicationPackage {
     assert(localPath != null);
     assert(id != null);
   }
+
+  String get displayName => name;
+
+  String toString() => displayName;
 }
 
 class AndroidApk extends ApplicationPackage {
@@ -99,6 +103,8 @@ class IOSApp extends ApplicationPackage {
     String projectDir = path.join("ios", ".generated");
     return new IOSApp(iosProjectDir: projectDir, iosProjectBundleId: value);
   }
+
+  String get displayName => id;
 }
 
 class ApplicationPackageStore {
diff --git a/packages/flutter_tools/lib/src/commands/apk.dart b/packages/flutter_tools/lib/src/commands/apk.dart
index 248723d9af..bfcdde2469 100644
--- a/packages/flutter_tools/lib/src/commands/apk.dart
+++ b/packages/flutter_tools/lib/src/commands/apk.dart
@@ -422,14 +422,14 @@ Future<int> buildAndroid({
 // TODO(mpcomplete): move this to Device?
 /// This is currently Android specific.
 Future<int> buildAll(
-  DeviceStore devices,
+  List<Device> devices,
   ApplicationPackageStore applicationPackages,
   Toolchain toolchain,
   List<BuildConfiguration> configs, {
   String enginePath,
   String target: ''
 }) async {
-  for (Device device in devices.all) {
+  for (Device device in devices) {
     ApplicationPackage package = applicationPackages.getPackageForPlatform(device.platform);
     if (package == null)
       continue;
@@ -438,14 +438,6 @@ Future<int> buildAll(
     if (package != applicationPackages.android)
       continue;
 
-    // TODO(devoncarew): Remove this warning after a few releases.
-    if (FileSystemEntity.isDirectorySync('apk') && !FileSystemEntity.isDirectorySync('android')) {
-      // Tell people the android directory location changed.
-      printStatus(
-        "Warning: Flutter now looks for Android resources in the android/ directory; "
-        "consider renaming your 'apk/' directory to 'android/'.");
-    }
-
     int result = await build(toolchain, configs, enginePath: enginePath, target: target);
     if (result != 0)
       return result;
diff --git a/packages/flutter_tools/lib/src/commands/daemon.dart b/packages/flutter_tools/lib/src/commands/daemon.dart
index 99fe8f3120..ca63c15d4e 100644
--- a/packages/flutter_tools/lib/src/commands/daemon.dart
+++ b/packages/flutter_tools/lib/src/commands/daemon.dart
@@ -256,11 +256,11 @@ class AppDomain extends Domain {
     try {
       await Future.wait([
         command.downloadToolchain(),
-        command.downloadApplicationPackagesAndConnectToDevices(),
+        command.downloadApplicationPackages(),
       ], eagerError: true);
 
       int result = await startApp(
-        command.devices,
+        device,
         command.applicationPackages,
         command.toolchain,
         command.buildConfigurations,
diff --git a/packages/flutter_tools/lib/src/commands/devices.dart b/packages/flutter_tools/lib/src/commands/devices.dart
index b5b1a09cbe..61b9b42bd0 100644
--- a/packages/flutter_tools/lib/src/commands/devices.dart
+++ b/packages/flutter_tools/lib/src/commands/devices.dart
@@ -30,10 +30,8 @@ class DevicesCommand extends FlutterCommand {
     } else {
       printStatus('${devices.length} connected ${pluralize('device', devices.length)}:\n');
 
-      for (Device device in devices) {
-        String supportIndicator = device.isSupported() ? '' : ' - unsupported';
-        printStatus('${device.name} (${device.id})$supportIndicator');
-      }
+      for (Device device in devices)
+        printStatus(device.fullDescription);
     }
 
     return 0;
diff --git a/packages/flutter_tools/lib/src/commands/drive.dart b/packages/flutter_tools/lib/src/commands/drive.dart
index 54fe1e4f2a..5a1027c3a0 100644
--- a/packages/flutter_tools/lib/src/commands/drive.dart
+++ b/packages/flutter_tools/lib/src/commands/drive.dart
@@ -315,6 +315,6 @@ Future<Null> downloadToolchain(DriveCommand command) async {
   printTrace('Downloading toolchain.');
   await Future.wait([
     command.downloadToolchain(),
-    command.downloadApplicationPackagesAndConnectToDevices(),
+    command.downloadApplicationPackages(),
   ], eagerError: true);
 }
diff --git a/packages/flutter_tools/lib/src/commands/install.dart b/packages/flutter_tools/lib/src/commands/install.dart
index e82b8fbc96..a801b221ff 100644
--- a/packages/flutter_tools/lib/src/commands/install.dart
+++ b/packages/flutter_tools/lib/src/commands/install.dart
@@ -6,35 +6,34 @@ import 'dart:async';
 
 import '../application_package.dart';
 import '../device.dart';
+import '../globals.dart';
 import '../runner/flutter_command.dart';
 
 class InstallCommand extends FlutterCommand {
   final String name = 'install';
-  final String description = 'Install Flutter apps on attached devices.';
+  final String description = 'Install a Flutter app on an attached device.';
 
   bool get requiresDevice => true;
 
   @override
   Future<int> runInProject() async {
-    await downloadApplicationPackagesAndConnectToDevices();
-    bool installedAny = await installApp(devices, applicationPackages);
-    return installedAny ? 0 : 2;
-  }
-}
+    await downloadApplicationPackages();
 
-Future<bool> installApp(
-  DeviceStore devices,
-  ApplicationPackageStore applicationPackages
-) async {
-  bool installedSomewhere = false;
-
-  for (Device device in devices.all) {
+    Device device = deviceForCommand;
     ApplicationPackage package = applicationPackages.getPackageForPlatform(device.platform);
-    if (package == null || device.isAppInstalled(package))
-      continue;
-    if (device.installApp(package))
-      installedSomewhere = true;
-  }
 
-  return installedSomewhere;
+    printStatus('Installing $package to $device...');
+
+    return installApp(device, package) ? 0 : 2;
+  }
+}
+
+bool installApp(Device device, ApplicationPackage package) {
+  if (package == null)
+    return false;
+
+  if (device.isAppInstalled(package))
+    return true;
+
+  return device.installApp(package);
 }
diff --git a/packages/flutter_tools/lib/src/commands/listen.dart b/packages/flutter_tools/lib/src/commands/listen.dart
index 69148c965d..14cc781943 100644
--- a/packages/flutter_tools/lib/src/commands/listen.dart
+++ b/packages/flutter_tools/lib/src/commands/listen.dart
@@ -28,7 +28,7 @@ class ListenCommand extends RunCommandBase {
 
   @override
   Future<int> runInProject() async {
-    await downloadApplicationPackagesAndConnectToDevices();
+    await downloadApplicationPackages();
     await downloadToolchain();
 
     List<String> watchCommand = _constructWatchCommand(() sync* {
@@ -42,7 +42,7 @@ class ListenCommand extends RunCommandBase {
     do {
       printStatus('Updating running Flutter apps...');
       result = await startApp(
-        devices,
+        deviceForCommand,
         applicationPackages,
         toolchain,
         buildConfigurations,
diff --git a/packages/flutter_tools/lib/src/commands/logs.dart b/packages/flutter_tools/lib/src/commands/logs.dart
index 9d9fc1642b..a5b9a01f94 100644
--- a/packages/flutter_tools/lib/src/commands/logs.dart
+++ b/packages/flutter_tools/lib/src/commands/logs.dart
@@ -25,50 +25,28 @@ class LogsCommand extends FlutterCommand {
   bool get requiresDevice => true;
 
   Future<int> runInProject() async {
-    List<Device> devices = await deviceManager.getDevices();
+    Device device = deviceForCommand;
 
-    if (devices.isEmpty && deviceManager.hasSpecifiedDeviceId) {
-      printError("No device found with id '${deviceManager.specifiedDeviceId}'.");
-      return 1;
-    } else if (devices.isEmpty) {
-      printStatus('No connected devices.');
-      return 0;
-    }
+    if (argResults['clear'])
+      device.clearLogs();
 
-    bool clear = argResults['clear'];
+    DeviceLogReader logReader = device.logReader;
 
-    List<DeviceLogReader> readers = new List<DeviceLogReader>();
-    for (Device device in devices) {
-      if (clear)
-        device.clearLogs();
+    printStatus('Showing $logReader logs:');
 
-      readers.add(device.logReader);
-    }
+    // Start reading.
+    if (!logReader.isReading)
+      await logReader.start();
 
-    printStatus('Showing ${readers.join(', ')} logs:');
+    StreamSubscription subscription = logReader.lines.listen(printStatus);
 
-    List<int> results = await Future.wait(readers.map((DeviceLogReader reader) async {
-      if (!reader.isReading) {
-        // Start reading.
-        await reader.start();
-      }
-      StreamSubscription subscription = reader.lines.listen((String line) {
-        if (devices.length > 1) {
-          // Prefix with the name of the device.
-          printStatus('[${reader.name}] $line');
-        } else {
-          printStatus(line);
-        }
-      });
-      // Wait for the log reader to be finished.
-      int result = await reader.finished;
-      subscription.cancel();
-      if (result != 0)
-        printError('Error listening to $reader logs.');
-      return result;
-    }));
+    // Wait for the log reader to be finished.
+    int result = await logReader.finished;
 
-    // If all readers failed, return an error.
-    return results.every((int result) => result != 0) ? 1 : 0;
+    subscription.cancel();
+
+    if (result != 0)
+      printError('Error listening to $logReader logs.');
+    return result;
   }
 }
diff --git a/packages/flutter_tools/lib/src/commands/refresh.dart b/packages/flutter_tools/lib/src/commands/refresh.dart
index 0ce0b5f638..7f7ced0b30 100644
--- a/packages/flutter_tools/lib/src/commands/refresh.dart
+++ b/packages/flutter_tools/lib/src/commands/refresh.dart
@@ -7,6 +7,7 @@ import 'dart:io';
 
 import 'package:path/path.dart' as path;
 
+import '../android/android_device.dart';
 import '../globals.dart';
 import '../runner/flutter_command.dart';
 
@@ -28,14 +29,9 @@ class RefreshCommand extends FlutterCommand {
 
     await Future.wait([
       downloadToolchain(),
-      downloadApplicationPackagesAndConnectToDevices(),
+      downloadApplicationPackages(),
     ], eagerError: true);
 
-    if (devices.android == null) {
-      printError('No device connected.');
-      return 1;
-    }
-
     Directory tempDir = await Directory.systemTemp.createTemp('flutter_tools');
     try {
       String snapshotPath = path.join(tempDir.path, 'snapshot_blob.bin');
@@ -48,11 +44,13 @@ class RefreshCommand extends FlutterCommand {
         return result;
       }
 
-      bool success = await devices.android.refreshSnapshot(
-          applicationPackages.android, snapshotPath
+      AndroidDevice device = deviceForCommand;
+
+      bool success = await device.refreshSnapshot(
+        applicationPackages.android, snapshotPath
       );
       if (!success) {
-        printError('Error refreshing snapshot on ${devices.android.name}.');
+        printError('Error refreshing snapshot on $device.');
         return 1;
       }
 
diff --git a/packages/flutter_tools/lib/src/commands/run.dart b/packages/flutter_tools/lib/src/commands/run.dart
index 6615b960a8..0826b3d0ed 100644
--- a/packages/flutter_tools/lib/src/commands/run.dart
+++ b/packages/flutter_tools/lib/src/commands/run.dart
@@ -9,7 +9,6 @@ import 'package:path/path.dart' as path;
 
 import '../application_package.dart';
 import '../base/common.dart';
-import '../base/utils.dart';
 import '../build_configuration.dart';
 import '../dart/pub.dart';
 import '../device.dart';
@@ -95,7 +94,7 @@ class RunCommand extends RunCommandBase {
 
     await Future.wait([
       downloadToolchain(),
-      downloadApplicationPackagesAndConnectToDevices(),
+      downloadApplicationPackages(),
     ], eagerError: true);
 
     bool clearLogs = argResults['clear-logs'];
@@ -109,9 +108,8 @@ class RunCommand extends RunCommandBase {
       return 1;
     }
 
-    // TODO(devoncarew): Switch this to using [devicesForCommand].
     int result = await startApp(
-      devices,
+      deviceForCommand,
       applicationPackages,
       toolchain,
       buildConfigurations,
@@ -132,7 +130,7 @@ class RunCommand extends RunCommandBase {
 }
 
 Future<int> startApp(
-  DeviceStore devices,
+  Device device,
   ApplicationPackageStore applicationPackages,
   Toolchain toolchain,
   List<BuildConfiguration> configs, {
@@ -156,10 +154,17 @@ Future<int> startApp(
     return 1;
   }
 
+  ApplicationPackage package = applicationPackages.getPackageForPlatform(device.platform);
+
+  if (package == null) {
+    printError('No application found for ${device.platform}.');
+    return 1;
+  }
+
   if (install) {
     printTrace('Running build command.');
     int result = await buildAll(
-      devices, applicationPackages, toolchain, configs,
+      <Device>[device], applicationPackages, toolchain, configs,
       enginePath: enginePath,
       target: target
     );
@@ -172,16 +177,10 @@ Future<int> startApp(
   // plumb a Future through the start command from here, but that seems a little
   // messy.
   if (stop) {
-    for (Device device in devices.all) {
-      if (!device.isSupported())
-        continue;
-
-      ApplicationPackage package = applicationPackages.getPackageForPlatform(device.platform);
-      if (package != null) {
-        printTrace("Stopping app '${package.name}' on ${device.name}.");
-        // We don't wait for the stop command to complete.
-        device.stopApp(package);
-      }
+    if (package != null) {
+      printTrace("Stopping app '${package.name}' on ${device.name}.");
+      // We don't wait for the stop command to complete.
+      device.stopApp(package);
     }
   }
 
@@ -190,66 +189,42 @@ Future<int> startApp(
 
   if (install) {
     printTrace('Running install command.');
+
     // TODO(devoncarew): This fails for ios devices - we haven't built yet.
-    await installApp(devices, applicationPackages);
+    await installApp(device, package);
   }
 
   bool startedSomething = false;
-  int unsupportedCount = 0;
 
-  for (Device device in devices.all) {
-    ApplicationPackage package = applicationPackages.getPackageForPlatform(device.platform);
-    if (package == null)
-      continue;
+  Map<String, dynamic> platformArgs = <String, dynamic>{};
 
-    if (!device.isSupported()) {
-      printStatus("Skipping unsupported device '${device.name}'. ${device.supportMessage()}");
-      unsupportedCount++;
-      continue;
-    }
+  if (traceStartup != null)
+    platformArgs['trace-startup'] = traceStartup;
 
-    Map<String, dynamic> platformArgs = <String, dynamic>{};
+  printStatus('Starting ${_getDisplayPath(mainPath)} on ${device.name}...');
 
-    if (traceStartup != null)
-      platformArgs['trace-startup'] = traceStartup;
+  bool result = await device.startApp(
+    package,
+    toolchain,
+    mainPath: mainPath,
+    route: route,
+    checked: checked,
+    clearLogs: clearLogs,
+    startPaused: startPaused,
+    debugPort: debugPort,
+    platformArgs: platformArgs
+  );
 
-    printStatus('Starting ${_getDisplayPath(mainPath)} on ${device.name}...');
+  if (!result) {
+    printError('Error starting application on ${device.name}.');
+  } else {
+    startedSomething = true;
 
-    bool result = await device.startApp(
-      package,
-      toolchain,
-      mainPath: mainPath,
-      route: route,
-      checked: checked,
-      clearLogs: clearLogs,
-      startPaused: startPaused,
-      debugPort: debugPort,
-      platformArgs: platformArgs
-    );
-
-    if (!result) {
-      printError('Error starting application on ${device.name}.');
-    } else {
-      startedSomething = true;
-
-      // If the user specified --start-paused (and the device supports it) then
-      // wait for the observatory port to become available before returning from
-      // `startApp()`.
-      if (startPaused && device.supportsStartPaused)
-        await delayUntilObservatoryAvailable('localhost', debugPort);
-    }
-  }
-
-  if (!startedSomething) {
-    String message = 'Unable to run application';
-
-    if (devices.all.isEmpty) {
-      message += ' - no connected devices.';
-    } else if (unsupportedCount != 0) {
-      message += ' - $unsupportedCount unsupported ${pluralize('device', unsupportedCount)} connected';
-    }
-
-    printError(message);
+    // If the user specified --start-paused (and the device supports it) then
+    // wait for the observatory port to become available before returning from
+    // `startApp()`.
+    if (startPaused && device.supportsStartPaused)
+      await delayUntilObservatoryAvailable('localhost', debugPort);
   }
 
   return startedSomething ? 0 : 2;
diff --git a/packages/flutter_tools/lib/src/commands/trace.dart b/packages/flutter_tools/lib/src/commands/trace.dart
index 1676844a98..2f644c016a 100644
--- a/packages/flutter_tools/lib/src/commands/trace.dart
+++ b/packages/flutter_tools/lib/src/commands/trace.dart
@@ -31,28 +31,24 @@ class TraceCommand extends FlutterCommand {
 
   @override
   Future<int> runInProject() async {
-    await downloadApplicationPackagesAndConnectToDevices();
-
-    if (devices.android == null) {
-      printError('No device connected, so no trace was completed.');
-      return 1;
-    }
+    await downloadApplicationPackages();
 
     ApplicationPackage androidApp = applicationPackages.android;
+    AndroidDevice device = deviceForCommand;
 
     if ((!argResults['start'] && !argResults['stop']) ||
         (argResults['start'] && argResults['stop'])) {
       // Setting neither flags or both flags means do both commands and wait
       // duration seconds in between.
-      devices.android.startTracing(androidApp);
+      device.startTracing(androidApp);
       await new Future.delayed(
-          new Duration(seconds: int.parse(argResults['duration'])),
-          () => _stopTracing(devices.android, androidApp)
+        new Duration(seconds: int.parse(argResults['duration'])),
+        () => _stopTracing(device, androidApp)
       );
     } else if (argResults['stop']) {
-      await _stopTracing(devices.android, androidApp);
+      await _stopTracing(device, androidApp);
     } else {
-      devices.android.startTracing(androidApp);
+      device.startTracing(androidApp);
     }
     return 0;
   }
diff --git a/packages/flutter_tools/lib/src/device.dart b/packages/flutter_tools/lib/src/device.dart
index b94851586d..5b6406a89d 100644
--- a/packages/flutter_tools/lib/src/device.dart
+++ b/packages/flutter_tools/lib/src/device.dart
@@ -9,7 +9,6 @@ import 'application_package.dart';
 import 'base/common.dart';
 import 'base/utils.dart';
 import 'build_configuration.dart';
-import 'globals.dart';
 import 'ios/devices.dart';
 import 'ios/simulators.dart';
 import 'toolchain.dart';
@@ -39,10 +38,21 @@ class DeviceManager {
   Future<Device> getDeviceById(String deviceId) async {
     deviceId = deviceId.toLowerCase();
     List<Device> devices = await getAllConnectedDevices();
-    return devices.firstWhere(
+    Device device = devices.firstWhere(
       (Device device) => device.id.toLowerCase() == deviceId,
       orElse: () => null
     );
+
+    if (device != null)
+      return device;
+
+    // Match on a close id / name.
+    devices = devices.where((Device device) {
+      return (device.id.toLowerCase().startsWith(deviceId) ||
+        device.name.toLowerCase().startsWith(deviceId));
+    });
+
+    return devices.length == 1 ? devices.first : null;
   }
 
   /// Return the list of connected devices, filtered by any user-specified device id.
@@ -130,6 +140,11 @@ abstract class Device {
 
   bool get supportsStartPaused => true;
 
+  String get fullDescription {
+    String supportIndicator = isSupported() ? '' : ' - unsupported';
+    return '$name ($id)$supportIndicator';
+  }
+
   /// Whether it is an emulated device running on localhost.
   bool get isLocalEmulator;
 
@@ -186,7 +201,7 @@ abstract class Device {
     return id == other.id;
   }
 
-  String toString() => '$runtimeType $id';
+  String toString() => name;
 }
 
 class ForwardedPort {
@@ -241,77 +256,3 @@ abstract class DeviceLogReader {
 
   String toString() => name;
 }
-
-// TODO(devoncarew): Unify this with [DeviceManager].
-class DeviceStore {
-  DeviceStore({
-    this.android,
-    this.iOS,
-    this.iOSSimulator
-  });
-
-  factory DeviceStore.forConfigs(List<BuildConfiguration> configs) {
-    AndroidDevice android;
-    IOSDevice iOS;
-    IOSSimulator iOSSimulator;
-
-    for (BuildConfiguration config in configs) {
-      switch (config.targetPlatform) {
-        case TargetPlatform.android:
-          assert(android == null);
-          android = _deviceForConfig(config, getAdbDevices());
-          break;
-        case TargetPlatform.iOS:
-          assert(iOS == null);
-          iOS = _deviceForConfig(config, IOSDevice.getAttachedDevices());
-          break;
-        case TargetPlatform.iOSSimulator:
-          assert(iOSSimulator == null);
-          iOSSimulator = _deviceForConfig(config, IOSSimulatorUtils.instance.getAttachedDevices());
-          break;
-        case TargetPlatform.mac:
-        case TargetPlatform.linux:
-          break;
-      }
-    }
-
-    return new DeviceStore(android: android, iOS: iOS, iOSSimulator: iOSSimulator);
-  }
-
-  final AndroidDevice android;
-  final IOSDevice iOS;
-  final IOSSimulator iOSSimulator;
-
-  List<Device> get all {
-    List<Device> result = <Device>[];
-    if (android != null)
-      result.add(android);
-    if (iOS != null)
-      result.add(iOS);
-    if (iOSSimulator != null)
-      result.add(iOSSimulator);
-    return result;
-  }
-
-  static Device _deviceForConfig(BuildConfiguration config, List<Device> devices) {
-    Device device;
-
-    if (config.deviceId != null) {
-      // Step 1: If a device identifier is specified, try to find a device
-      // matching that specific identifier
-      device = devices.firstWhere(
-          (Device dev) => (dev.id == config.deviceId),
-          orElse: () => null);
-    } else if (devices.length == 1) {
-      // Step 2: If no identifier is specified and there is only one connected
-      // device, pick that one.
-      device = devices[0];
-    } else if (devices.length > 1) {
-      // Step 3: D:
-      printStatus('Multiple devices are connected, but no device ID was specified.');
-      printStatus('Attempting to launch on all connected devices.');
-    }
-
-    return device;
-  }
-}
diff --git a/packages/flutter_tools/lib/src/runner/flutter_command.dart b/packages/flutter_tools/lib/src/runner/flutter_command.dart
index c916ca662b..afe50e04fb 100644
--- a/packages/flutter_tools/lib/src/runner/flutter_command.dart
+++ b/packages/flutter_tools/lib/src/runner/flutter_command.dart
@@ -10,9 +10,9 @@ import 'package:args/command_runner.dart';
 import '../application_package.dart';
 import '../build_configuration.dart';
 import '../device.dart';
+import '../flx.dart' as flx;
 import '../globals.dart';
 import '../toolchain.dart';
-import '../flx.dart' as flx;
 import 'flutter_command_runner.dart';
 
 typedef bool Validator();
@@ -39,19 +39,10 @@ abstract class FlutterCommand extends Command {
     toolchain ??= await Toolchain.forConfigs(buildConfigurations);
   }
 
-  Future downloadApplicationPackagesAndConnectToDevices() async {
-    await downloadApplicationPackages();
-    _connectToDevices();
-  }
-
   Future downloadApplicationPackages() async {
     applicationPackages ??= await ApplicationPackageStore.forConfigs(buildConfigurations);
   }
 
-  void _connectToDevices() {
-    devices ??= new DeviceStore.forConfigs(buildConfigurations);
-  }
-
   Future<int> run() {
     Stopwatch stopwatch = new Stopwatch()..start();
 
@@ -91,13 +82,20 @@ abstract class FlutterCommand extends Command {
       if (androidOnly)
         devices = devices.where((Device device) => device.platform == TargetPlatform.android).toList();
 
-      // TODO(devoncarew): Switch this to just supporting one connected device?
       if (devices.isEmpty) {
         printStatus('No supported devices connected.');
         return 1;
+      } else if (devices.length > 1) {
+        printStatus("More than one device connected; please specify a device with "
+          "the '-d <deviceId>' flag.");
+        printStatus('');
+        devices = await deviceManager.getAllConnectedDevices();
+        for (Device device in devices)
+          printStatus(device.fullDescription);
+        return 1;
+      } else {
+        _deviceForCommand = devices.single;
       }
-
-      _devicesForCommand = await _getDevicesForCommand();
     }
 
     return await runInProject();
@@ -116,38 +114,13 @@ abstract class FlutterCommand extends Command {
 
   Future<int> runInProject();
 
-  List<Device> get devicesForCommand => _devicesForCommand;
-
-  Device get deviceForCommand {
-    // TODO(devoncarew): Switch this to just supporting one connected device?
-    return devicesForCommand.isNotEmpty ? devicesForCommand.first : null;
-  }
-
   // This is caculated in run() if the command has [requiresDevice] specified.
-  List<Device> _devicesForCommand;
+  Device _deviceForCommand;
+
+  Device get deviceForCommand => _deviceForCommand;
 
   ApplicationPackageStore applicationPackages;
   Toolchain toolchain;
-  DeviceStore devices;
-
-  Future<List<Device>> _getDevicesForCommand() async {
-    List<Device> devices = await deviceManager.getDevices();
-
-    if (devices.isEmpty)
-      return null;
-
-    if (deviceManager.hasSpecifiedDeviceId) {
-      Device device = await deviceManager.getDeviceById(deviceManager.specifiedDeviceId);
-      return device == null ? <Device>[] : <Device>[device];
-    }
-
-    devices = devices.where((Device device) => device.isSupported()).toList();
-
-    if (androidOnly)
-      devices = devices.where((Device device) => device.platform == TargetPlatform.android).toList();
-
-    return devices;
-  }
 
   bool _targetSpecified = false;
 
diff --git a/packages/flutter_tools/test/install_test.dart b/packages/flutter_tools/test/install_test.dart
index aaa6186ec4..a71207de3a 100644
--- a/packages/flutter_tools/test/install_test.dart
+++ b/packages/flutter_tools/test/install_test.dart
@@ -15,18 +15,11 @@ void main() {
     testUsingContext('returns 0 when Android is connected and ready for an install', () {
       InstallCommand command = new InstallCommand();
       applyMocksToCommand(command);
-      MockDeviceStore mockDevices = command.devices;
 
-      when(mockDevices.android.isAppInstalled(any)).thenReturn(false);
-      when(mockDevices.android.installApp(any)).thenReturn(true);
-
-      when(mockDevices.iOS.isAppInstalled(any)).thenReturn(false);
-      when(mockDevices.iOS.installApp(any)).thenReturn(false);
-
-      when(mockDevices.iOSSimulator.isAppInstalled(any)).thenReturn(false);
-      when(mockDevices.iOSSimulator.installApp(any)).thenReturn(false);
-
-      testDeviceManager.addDevice(mockDevices.android);
+      MockAndroidDevice device = new MockAndroidDevice();
+      when(device.isAppInstalled(any)).thenReturn(false);
+      when(device.installApp(any)).thenReturn(true);
+      testDeviceManager.addDevice(device);
 
       return createTestCommandRunner(command).run(['install']).then((int code) {
         expect(code, equals(0));
@@ -36,18 +29,11 @@ void main() {
     testUsingContext('returns 0 when iOS is connected and ready for an install', () {
       InstallCommand command = new InstallCommand();
       applyMocksToCommand(command);
-      MockDeviceStore mockDevices = command.devices;
 
-      when(mockDevices.android.isAppInstalled(any)).thenReturn(false);
-      when(mockDevices.android.installApp(any)).thenReturn(false);
-
-      when(mockDevices.iOS.isAppInstalled(any)).thenReturn(false);
-      when(mockDevices.iOS.installApp(any)).thenReturn(true);
-
-      when(mockDevices.iOSSimulator.isAppInstalled(any)).thenReturn(false);
-      when(mockDevices.iOSSimulator.installApp(any)).thenReturn(false);
-
-      testDeviceManager.addDevice(mockDevices.iOS);
+      MockIOSDevice device = new MockIOSDevice();
+      when(device.isAppInstalled(any)).thenReturn(false);
+      when(device.installApp(any)).thenReturn(true);
+      testDeviceManager.addDevice(device);
 
       return createTestCommandRunner(command).run(['install']).then((int code) {
         expect(code, equals(0));
diff --git a/packages/flutter_tools/test/src/mocks.dart b/packages/flutter_tools/test/src/mocks.dart
index 1d7b81925f..e4f61a4ef4 100644
--- a/packages/flutter_tools/test/src/mocks.dart
+++ b/packages/flutter_tools/test/src/mocks.dart
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 import 'dart:async';
+
 import 'package:flutter_tools/src/android/android_device.dart';
 import 'package:flutter_tools/src/application_package.dart';
 import 'package:flutter_tools/src/build_configuration.dart';
@@ -45,13 +46,6 @@ class MockIOSSimulator extends Mock implements IOSSimulator {
   bool isSupported() => true;
 }
 
-class MockDeviceStore extends DeviceStore {
-  MockDeviceStore() : super(
-    android: new MockAndroidDevice(),
-    iOS: new MockIOSDevice(),
-    iOSSimulator: new MockIOSSimulator());
-}
-
 class MockDeviceLogReader extends DeviceLogReader {
   String get name => 'MockLogReader';
 
@@ -89,6 +83,5 @@ void applyMocksToCommand(FlutterCommand command) {
   command
     ..applicationPackages = new MockApplicationPackageStore()
     ..toolchain = new MockToolchain()
-    ..devices = new MockDeviceStore()
     ..projectRootValidator = () => true;
 }