TF3: Defend The Earth is the first ever app of its kind, bringing a special edition of the Transformers 3 movie poster to life. Users simply aim their device’s camera at the poster activating Optimus Prime to defend Earth in an Augmented Reality game against the Decepticons. Players are able to share their scores and achievements on their Facebook profiles while geolocation allows players to find the nearest participating location where they can unlock the experience. Source: The Game Website.