this guide will help people setup the PSX emulator if they have issues:
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ok so far we have:
MARKET:
Gameboid (GBA)
SNesoid (SNES)
Nesoid (NES)
Genssoid (Sega Genesis)
Gearoid (Gamegear)
uae4droid (Amiga emulator)
CPS2HD or CPS2 (capcom play system 2 arcade)
Frodo (commodore 64)
cAndy Apple (apple //e)
Android Acrade (MAME)
Jrioni Arcade (as of 6/5/2010 it supports 1943,Circus Charlie, and Moon Patrol)
Tiger mame
PSX4DROID (Playstation 1)

NON Market:
Scumm
ScummVM port in progress - 2 June 2010 - Android Games Development
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Dosbox
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Android DosBox
Vice
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Vice 2.2 (C64 emu) - 8 June 2010 - Android Games Development