Apple 2 Emulator for the PSP
Team Xos have developed and released an Apple 2 emulator for the PSP that will run via the homebrew exploits available to people rocking version 1.5 of the firmware on the PSP.
If you have a PSP running 2.0 of the firmware and are expecting not being able to run this nice little bit of retro emulation, make sure you check out the firmware downgrade how-to that I wrote for hackaday yesterday.
Thanks, Aktion!