I member of NeoGAF has posted details about his preview of Viva Pinata, he writes - VP2 uses the Vision Camera in combination with physical cards sorta like Eye of Judgement. It basically scans a small code on the card, when it's being held up in front of the camera, and this can both insert custom designed pinatas, unlock buildings or abilities, change the weather and many other things. We were told how Rare had designed a moose that got a big, red nose only around christmas time... and this could be passed around with these cards.