From GameBrew - a wiki dedicated to Video Game Homebrew.
A simple square that triggers a kind of sand. And with this player has to get as high as possible on the map, considering that the "arena" will serve two purposes: to propel and not fall off the screen and shoot the gray walls and destroy gradually.
Left and Right - change shooting angle
A/B - sandy Shoot (hold)
Start - pause game
Select - swap displays (between touchscreen and higher)
Tested on: ITouch DS Flashcard with firmware 3.2b
- R4DS flashcard with firmware 1.18
- Flashcard M3 DS Real with 4.3g firmware