Please be advised, if you had not yet started the game, which in the day yesterday was published the long-awaited update to 1.7.3 Minecraft: Xbox 360 Edition ; the update fixes a number of bugs, but more importantly introduces a system of Pistons that will allow you to create dynamic with worlds even more improbable mechanisms, as well as other minor additions. Find the complete list of the changes on the official site of Mojang (in English).