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After looking into 3D game programming, it quickly became evident why a physics engine could be extremely useful.
What physics engines are supported by and viable on Android?
Any other advice regarding them would be nice.
Thanks
It is not 3D, but AndEngine could at least provide you some useful information to start with. It is a very promising and free Open Source 2D OpenGL Game Engine for the Android platform.
Have a look at their example application to see what it can do :)
Here's a 2D JavaScript engine that looks interesting: Box2D
The latest Matali Physics Pro supports Android OS through the Mono for Android.
Or you use http://jmonkeyengine.org/ which is in my optinion one of the most advanced game/graphics/3d physics engines available for Android and in comparison to Unity3d its open source and can be embedded in existing Android apps ;)
For 3D a good option is Unity3d which supports Android (and iOS) game development and is a complete solution used by many big players. It also supports 2D. It's not free though., it's pretty expensive ($400 - $1.500) but there is a free trial.
http://unity3d.com/unity/multiplatform/mobile
For 2D, Box2d has an Android port: https://code.google.com/p/androidbox2d/
