~/tmp/testpixel $ flutter run
More than one device connected; please specify a device with the '-d <deviceId>' flag.

Error retrieving device properties for ro.build.characteristics.
adb                       • adb           • android-arm
Android SDK built for x86 • emulator-5554 • android-x86 (emulator)

~/tmp/testpixel $ flutter --version
Flutter • channel master • [email protected]:flutter/flutter.git
Framework • revision 80d578d93e (31 hours ago) • 2016-10-23 17:20:38
Engine • revision db12c5e621
Tools • Dart 1.21.0-dev.0.0

~/tmp/testpixel $ adb --version
Android Debug Bridge version 1.0.32
Revision eac51f2bb6a8-android

~/tmp/testpixel $ flutter doctor
[✓] Flutter (on Mac OS, channel master)
    • Flutter at /Users/sethladd/Code/flutter
    • Framework revision 80d578d93e (32 hours ago), 2016-10-23 17:20:38
    • Engine revision db12c5e621
    • Tools Dart version 1.21.0-dev.0.0

[✓] Android toolchain - develop for Android devices (Android SDK 23.0.2)
    • Android SDK at /Users/sethladd/homebrew/opt/android-sdk
    • Platform android-23, build-tools 23.0.2
    • Java(TM) SE Runtime Environment (build 1.8.0_91-b14)

[✓] iOS toolchain - develop for iOS devices (Xcode 8.0)
    • XCode at /Applications/Xcode.app/Contents/Developer
    • Xcode 8.0, Build version 8A218a

[✓] Atom - a lightweight development environment for Flutter
    • flutter plugin version 0.2.4
    • dartlang plugin version 0.6.34

[✓] IntelliJ IDEA Community Edition (version 2016.2.5)
    • Dart plugin installed
    • Flutter plugin installed

[-] IntelliJ WebStorm (version 11.0.3)
    • Dart plugin not installed; this adds Dart specific functionality.
    • Flutter plugin not installed; this adds Flutter specific functionality.
    • For information about managing plugins, see
      https://www.jetbrains.com/help/idea/2016.2/managing-plugins.html

[✓] Connected devices
    • Android SDK built for x86 • emulator-5554 • android-x86 (emulator)