What good is anything without its "Hello World"? One is in the works, and it will be posted in the Files section shortly, in both source and APK format.
The initial version is some Z-rotating cubes, with the camera position rotating around the origin clockwise in the ZX plane (y=constant).
Even this simple start demonstrates a great deal:
As the implementation of AGE progresses, this will be updated, so e.g. texture-mapped cubes and input events will be added, to demonstrate usage of the features.