Nintendo has released a free Mario & Sonic app on the eShop. Those in Europe can scan the QR code posted on NintendoLife and download the Mario and Sonic at the London Olympics 2012 Virtual Card Album. It will allow you to collect many, many themed cards based on the game via SpotPass, StreetPass, connect to Nintendo Zone hotspots or through the store using Play Coins. There are 73 cards to collect in all, and you get five to get you started. Head on through the link for instructions.