Soon -- Ketzal's Corridors, an aztec themed action/puzzler.
March 8 -- Fun! Fun! Minigolf TOUCH! & Punch-Out!! ft. Mr. Dream
March 15 -- Game Gear Day, with Dragon Crystal, Shinobi and Sonic the Hedgehog - Triple Trouble
March 22 -- Zombie Slayer Diox, kill zombies with the rhythm skills of a samurai guitarist.
March/April -- Arc Style Soccer!! 3D
April -- Colors! 3D
April 19 -- Rhythm Thief & The Emperor's Treasure (Demo)
Nintendo rarely gives advance notice of upcoming content -- is there anything here that interests you? Sure those eight exclamation marks have you hyped up for what's coming!! Make that ten, ten exclamation marks, hah hah hah.