Auraomega has released a new PSP game to the public. Its sort of based on the ice puzzles in Pokemon. This is a work in progress release, so it only has 10 levels of mixed difficulty. Read more
Here is an application to turn your DS into a motion sensing USB gamepad. You'll need a DS Motion Card or MK6-motion or R6 gold for the motion sensing, and an MK5 (or clone) GBA slot USB linker. Plug all the cards in, plug the USB cable into your computer, and run the application. Presto - a motion sensing game controller. Read more