critical has updatedhis port of UAE4ALL (UAE for DC) for the GP2x. Release notes:

0.3.2 has a fix for my previous path hack (you can call the uae4all directory what you like again now. It also comes hard-wired with a demo of the new key-remapping code… for Pinball Dreams. Keys are: L and R (left flipper, right flipper), A (F1), B (nudge / shoot ball)