Open BoR is a port of "Beats of Rage" and the enhanced OpenBOR for the GP2x. It's an marvellous fighting engine with plenty of modifications available. Read more about OpenBOR v2.1933 (GP2x misc)
LittleGPTracker (a.k.a รขโฌหThe Piggyรขโฌโข) is a sample based tracker currently under development. It implements the user interface of littlesounddj, a very famous tracker for the Gameboy platform. It currently supports 8 monophonic 16Bit/44.1Khz stereo channels as well as 16 channel midi output. Read more about LittleGPTracker v1.0a (GP2x Application)
Protein[DS] is a little audio manipulation software running on Nintendo DS, which ables you to manipulate audio, anywhere you go - it is in some ways similar to ElectroPlankton concept. Read more about Protein DS (22-05-2008) (NDS Application)