Best handheld game (psp/ds)

Super Mario World 3 (Yoshi's Island DS)

It's a true sequel to Super Mario World 2.

That I have played....Jeanne d'Arc.

Or Lumines. Its close.

PSP: GoW Coo, Crisis Core

DS: Mario Kart DS

I take back Barbie horse adventure and put in!

Like come on u know its awesome when it gets reactions like this!

GOW CC, Patapon, Zelda - Phantom Hourglass and Mario Kart DS.

TWEWY and FFTA2 :Grimoire of the Rift are close seconds.

although i suck at it....i jave spend so much time with it...i just love it..

Pokemon silver :P

but in all seriousness, i dout anything on PSP could stand up to the level of epic win that is TWEWY