Big Dream is an app with augmented reality which works together with hardcopy of books. User can enliven the magic with his device. There are different interesting and fascinating animations hidden in book pages. How to use: You have to point your phones’s or tablet’s camera at pages of the book where 4D sign is located in order to kick off the AR action. There are different kind of books available. This is a FREE app is available to anyone with a compatible smartphone or tablet.