This App is a version of the classic arcade game Space Invaders. The player is controlled by touching different thirds of the screen; the left and right thirds move the player, and the middle third is used to fire. This Game is released under the GPL.
Space Invaders OpenGL is a 2D/3D game based on the old arcade classic in which you must destroy enemy ships by shooting them up. It is developed in OpenGL under Visual C++, and is still in development.