The PSPUAE Team and FOL have released an update to PSPUAE. The PSP Amiga emulator. If your not sure what an Amiga is or Commodore, I guess you were an 80’s child Wiki has a good write up on the Amiga. Anyway here’s the changelog:
V0.70 – FOL update
* Added alot of [...]

This released is based on the source code from Chui’s Dreamcast UAE4ALL and notaz’s UAE4ALL GP2x v0.7.2a. If your running this on a PSP Slim use the usermode Eboot in the usermode folder in the zip.

Source: TTYman

Or try:
PSPUAE – The First Amiga PSP Emulator