Good round up…it is also possible to play games from the Game Boy Advanced, NES and SNES, Sega Genesis, and other consoles? What about playing PSP games like Lumines — without the UMD? With the use of emulators and ISOs it is possible. If you are a PSP owner, you really can’t afford to miss this article that shows you how to set up an emulator and create backups of your UMDs to play directly from Memory Sticks. Link.
HOW TO play games from other consoles and backing up UMDs for the PSP