Google has taken the wraps off Flutter, a new open source mobile development framework that uses the Dart programming language to create high-performance apps that can run on iOS and Android with one code base.
http://www.infoq.com/news/2015/12/flutter-dart-cross-platform
http://flutter.io/
http://www.infoq.com/news/2015/12/flutter-dart-cross-platform
http://flutter.io/