https://play.google.com/store/apps/details?id=com.hanhuy.android.bluetooth.keyguard

• SBT
  • Install from http://scala-sbt.org
  • On a Mac with macports or brew: brew install sbt or port install sbt
• The android support repository must be installed (Android SDK manager)
• Android SDK setup, you can do one of:
  • Run the command android update project -p . -t android-17
  • Set the environment variable ANDROID_HOME to point to the path of the Android SDK.

• sbt ~compile - compile continuously
• sbt ~android:package - generate a debug apk continuously
• sbt ~run - generate a debug apk, install and run it continuously
• Commands can be run without ~ to run once only. Additionally, sbt can be run in interactive mode.
• sbt gen-idea - generate IDE configuration to easily load into IntelliJ