Tutorials. These seem to be based on the NeHe Android ports.
From there I would look at few sample projects. I found these to be helpful:
http://code.google.com/p/akjava-android-project/
This project includes a Space Invaders clone.
As well as sample code to load .obj and .md2 files.
http://code.google.com/p/android-gl/
These 14 tutorials are based on this C++ tutorial, which have been rewritten in Java for Android.
http://www.zeuscmd.com/tutorials/opengles/index.php
http://code.google.com/p/nehe-android/
Finally, here's a Tetris clone:
http://code.google.com/p/monolithandroid/
Let's not forget Replica Island, a complete 2D side-scrolling game.
The complete source can be found on Google Code.
