Ginge is actually not an emulator, but a compatibility layer to get GP2x applications working on Wiz.

Release notes:

here is release3 which matches release3 on pandora (finally):
http://notaz.gp2x.de/releases/ginge/ginge_wiz_r3.zip
Compared with r2, it’s mostly Payback support, not much else.

http://www.gp32x.com/board/index.php?showtopic=56081