NOTE: A better app is available:
https://play.google.com/store/apps/details?id=com.serakont.appbuilder2

Run JavaScript scripts on your Android devices. All android API is exposed to JavaScript: scripts can create views process activity events create threads and do almost everything a java application can do.
The Rhino JavaScript engine is used for script execution. Scripts also can run with a JavaScript console.
Note that this application does not provide the same execution environment as browsers do (for example there is no Document object). If you need a browser-like environment try https://play.google.com/store/apps/details?id=com.serakont.appbuilder2