3D Colouring is amazing guys! I recently downloaded the Quiver App from Goolge Play and I am seriously blown away by how cool this is.
How it works is you need to download the App to your mobile device then go to the Quiver site - http://quivervision.com/
Print the pages you like, colour it in and then watch in amazement when you open the app and hold over the coloured picture!
There are tons of differnet pictures to choose from too!