SmartGL is a Graphic Engine for creating Android Games and Apps. It is based on OpenGL and handles 2D Sprites and 3D Textured Objects.
SmartGL is used by several games and apps.
MonkeyEngine is a 3D game engine for adventurous Java developers. It’s open source, cross platform and cutting edge. And it is all beautifully documented.
Godot is a fully featured game engine. It focuses on having great tools, and a visual oriented workflow that can export to PC, Mobile and Web platforms with no hassle. The editor, language and APIs are feature rich, yet simple to learn, allowing you to become productive in a matter of hours.
MonoGame is an open source implementation of the Microsoft XNA 4.x Framework.
The goal is to make it easy for XNA developers to create cross-platform games with extremely high code reuse.
The Unreal Engine is a game engine developed by Epic Games.
OGRE (Object-Oriented Graphics Rendering Engine) is a scene-oriented, flexible 3D engine written in C++ designed to make it easier and more intuitive for developers to produce games and demos utilising 3D hardware. The class library abstracts all the details of using the underlying system libraries like Direct3D and OpenGL and provides an interface based on world objects and other intuitive classes.
3D engine for Android based on OpenGL ES 2.0/3.0. It can be used for normal apps as well as live wallpapers.
min3D is a lightweight 3d library/framework for Android using Java with OpenGL ES targeting compatibility with Android v1.5/OpenGL ES 1.0 and higher.
It tracks closely with the OpenGL ES API, which makes it ideal for gaining an understanding of the OpenGL ES API while providing the convenience of an object-oriented class library.
Open source purely object-oriented 3D gaming engine for Microsoft Windows, Google Android and BlackBerry OS 10 written in C++.
libGDX is a cross-platform Java game development framework based on OpenGL (ES) that works on Windows, Linux, Mac OS X, Android, your WebGL enabled browser and iOS.
The free 3D solution for Java and Android. jPCT supports Android 1.5 and higher and can be used with OpenGL ES 1.x as well as with OpenGL ES 2.0.
Open source high performance realtime 3D engine written in C++.
An android framework/game engine consisting of a scene graph plus some utility classes. It's mainly aimed to abstract OpenGL ES.