توضیحات:

The Codename One Framework ( http://www.codenameone.com/ ) allows developers to write code once and have it work on all mobile devices, for example Android, iOS or Windows Phone.

This app here is a developer sample which shows how to write, build and test Codename One applications on your Android device.

The source code of this app is freely available. The download link is in the built-in developer instructions.