In which I learn how to develop an Android app (http://developer.android.com/training/index.html).
In which I learn how to develop Android apps (http://developer.android.com/training/index.html).
In which I learn how to develop an Android app (http://developer.android.com/training/index.html).
In which I learn how to develop Android apps (http://developer.android.com/training/index.html).