From GameBrew - a wiki dedicated to Video Game Homebrew.
Homebrew with multiple applications that able to edit text (feature yet to be developed), explore microSD files, use a paint like application and even use DS as a flashlight.
It is part of the Scenery Beta 2010.
Flashlight: Press the screen and start at once.
Paint: Start ordinary.
Fat: Start but is a little buggy.
Stylus - all functions
Tested on: FlashCard EX4i with Firmware 1.30