Note: copy-pasted from the README, please elaborate :P
ScummVM is available on PalmOS v3.5 devices and higher with hi resolution support and at least 256 colors.
The PalmOS port currently supports Scumm games (expected earlier v7 and up and HE games), Simon the Sorcerer 1 and 2, Flight of the Amazon Queen. Some engine and games may required a big dynamic heap. A new version with specific backends and pseudo full-ARM support is under developpement and will support more engines.