Check the archive, my favourites there are PowerSlide and zTunnel.
Two commercial racers were also in the works at some point (A Toda Pastilla and Rapid Raccoon if I remember right), but we didn't hear anything about those in more than a year
http://www.insidegamer.nl/nintendods/rapid...on/screenshots/
release: feb 2008, but for nintendo ds
They said the GP2X version would be released after the DS version. Let's hope they haven't forgotten about us.