The Tilt FX PSP is a small peripheral that plugs into the bottom of your PSP allowing you to gain motion controls similar to the SIXAXIS functionality on your PS3 controller or the accelerometer on your iPhone or iPod Touch. In order to map certain controls, for any given game, to the device, you will have to first download custom profiles for the game through the supplier’s site. The developers of the device promise there will be new profiles as games hit the market that will be downloadable via their site. You will have to install the software patches to your PSP through desktop software.
If you are interested in the getting the Tilt FX PSP peripheral, you can do so through the Codejunkies website here for $19.99. However, unfortunately PSPgo users are left out as its only compatible with the PSP-1000 through 3000 currently.