Many new games where announced at E3 here is a list pf the nintendo games

Legend of Zelda: Skyward Sword
(this game will have motion controls for the wii remote)

Legend of Zelda: Ocarina of Time 3D
(for the new 3DS)

Kid Icarus: Uprising
(for 3DS)

Kirby's Epic Yarn
(for wii the game's characters and stages look like that they're made of yarn, zippers etc.)

Metroid: other M
(for wii nintendo partnered with Team Ninja to make this game they make ninja gaiden games it will feature first person and third person veiw points)

pokemon ranger guardina signs for DS

Golden sun Dark dawn DS

professor layton and the unwound future for DS

mario vs donkey kong mini land mayhem DS

dragon quest 1X DS

nintendogs+cats 3DS

snake eater 3D 3DS

resident evil revelations 3DS

just to name a few go to
http://e3.nintendo.com/3ds/
for all of the games