From the Manufacturer
LEGO Bricks for iPhone/iPod Touch. Life of George includes both building game mode with single and player mode, as well as creation mode where you design and capture your own models. In the building game you receive challenges on your iPhone/iPod Touch that you build with real LEGO bricks. In the player mode you can challenge friend and compete on different models to see who builds the fastest. There are various difficulty levels determined by the models and the time setting you choose (easy or hard). Life of George also includes My life within the app. In My life you keep your own album of models and creations which you can challenge your friends with.