cpasjuste has been a busy boy, he has also released a PSVita Port of the excellent UAE4ALL emulator, which if you didn't know is a great Amiga 500 Emulator, heres his release notes:

uae4all is an Amiga 500/1200 emulator for the ps vita.

- install vpk
- put disks (adf) in "ux0:/data/uae4all/roms"
- put kickstart roms (kick13.rom, kick31.rom) in "ux0:/data/uae4all/kickstarts"

Get more info on this release here -->