Bandai Namco Games had just released this game last month. The story happen around young Goku facing off the Red Ribbon before facing the first Piccolo.
The graphic are in 3D on NDS and the game play are very entertaining. Here's a short trailer of it.
Well you lucky NDS owner always get such good stuff.
Buy Dragon Ball DS 2: Totsugeki! Red Ribbon Gun (Nintendo DS) at Play-Asia.com