Android_app is a project mainly written in Java, it's free.
Testing app for android
Webpage: http://femhub.github.com/android_app
Compile it::
cd myapp
ant debug
and add the binary into the gh-pages
branch by::
./update_apk
Install android simulator, then::
android
And click "Start". Start a log deameon::
adb logcat
Finally install the app into the simulator::
ant install