The user casts spells by drawing shapes with the PlayStation Move controller, while the book itself uses augmented reality technology to appear on screen via the PlayStation Eye. The Move controller itself appears on screen as a wand, and may draw patterns on screen to launch spells. Players are allowed to interact with elements appearing on screen, such as dragons. The game is designed to be an interpretation of learning spells at Hogwarts School in the Harry Potter universe. (wikipedia.org)