Nice and neat! It's amazing for a handheld like DS to have this kind of game!
Story is just fine.
Touch screen mini games are fine and i enjoy hot wiring cars.
A - punch
B - accelerate
X - ride/steal car, interact
Y - drive backwards
L - camera
R - (i forgot what this does)
I think it is cell-shaded graphics if i'm not mistaken... (correct me if i'm wrong)
I also like how you drive to pass the police and the way camera angles are made...
Street and gun fights are OK too...
The radio also can be turned off if you don't like the music that is playin' (when you're drivin')
If you played GTA before and the mobile game Gangstar, it has the same formula of doing missions and everything. Its really worth playing!