All three castlevanias
both advance wars
sonic advance games are ok
all megaman zero games
if you like the whole pokemon style thing, there's pokemon and also megaman battle network games
virtua tennis, the minigames are a fucking blast
both metroids
both zeldas
if you like diablo style rpgs, shining soul 1 and 2 (although they are very cutesy)
wario ware
rock and roll racing (playing that on the go rocks)
Astro boy
mario vs. donkey kong
CT Special forces 1 and 2 (metal slug style)
metal slug advance
advance guardian heroes (sure, it doesn't come close to the original, but it's ok)
pinball of the dead



That's what i can pick up from looking at my list. Have fun. :-)

All work and no play makes me..., well, you know the rest.