Hack the PSP or Playstation portable handheld game console. You need a Pandora battery, a 2 GB memory stick and a PSP. You are hacking the firmware of the PSP. You will turn the official firmware from the 3.80 into M335. You can downgrade if you have v 4.0 or higher firmware. Don't hard mod a battery, buy a second Pandora battery. This will take an hour to complete. Make a magic memory stick!