Ok so log in, click the stars thing and where it has what you have spent them on it tracks what you have bought/downloaded from the wii shop, only certain ones though.
When you click details you get this message:
Trading my Wii again! Come on home 360!
Games: Metroid Prime 3, Super Paper Mario, Ghost Squad, Link's Crossbow Training + Wii Zapper, Geometry Wars, Battalion Wars 2