OpenEmu

OpenEmu is a multi-system emulator that works with the PSP, Nintendo DS, Game Boy Advance, Sega Genesis, and a variety of other systems. It is available for Mac OS X and includes a user interface that is similar to iTunes. OpenEmu makes it simple to explore, organize, and play your games. OpenEmu is extremely compatible with PSP games and can run them smoothly on your Mac. OpenEmu also provides improved graphics and sound quality.

Overall, OpenEmu is a superb emulator with a plethora of features and perks for PSP fans. It is simple to use, works with most games, and has a lovely user interface. You can also use your Android device as a controller and broadcast games to your TV or monitor.

PC Download link: http://openemu.org/