In order to reply to the message originally posted here: http://www.gamedev.net/community/forums/topic.asp?topic_id=490052 You can have a try at the engine available at this address: http://www.sio2interactive.com It is build around the official iPhone SDK, so its like "Mac users only", but with Vmware you should be capable to have it up and running (at least on the iPhone simulator) It's still in progress but its already mature enough in order to create decent games. You guys can found the list of current / future features at the following address: http://sio2interactive.com/TECHNOLOGY.html The coding style around the specific iPhone API use similar approach as GLUT focusing on callback for triggers & events and give you full access to the multitouch interface as well as the accelerometer. It worth trying, trust me ;)