A 2D Game engine built with only native Java libraries. Part of a tutorial series @ http://vanZeben.ca/java/2d_game_dev
Android Game Programming, published by Packt
A 2D Game Engine made in pure Java
LITIENGINE The pure 2D java game engine.
Simple 3D game engine written from scratch in Java with Swing
A cross platform 2D / 3D Java Game Engine (Desktop / Html5 / Android)