Yeti 3D Pro is a small, fast portable 3d game library written by Derek Evans. There are ports for the PocketPC, GBA, Windows, Nokia phones, PS1 and Gamecube. Porting of the Yeti 3D engine to the Pocket PC was done by Sean Cross.
Dell Axim X50v users can cheer up, because now there is also an Intel 2700-OpenGl ES optimized version
available for download. The demo is a technical preview. As such, it is not complete (no sound, limited game logic and the like). It may do hideous things to your system such as delete files, randomly change your appointments and send rude emails to your mum. I doubt it, but you have been warned! Make sure to read the included readme.txt file first.