Augmented Reality App? - iphone and iPad

1. When users clicks the app icon on iPad or iPhone. the app should present the icons of alphabet (A-Z) on the main screen. 2. when users clicks any of these icons e.g letter 'A', the device's camera should get activated with this action…. 3. User will present relevant paper card, as for 'A', card wit letter 'A' written on it will be held by user in front of device's camera. 4. Device suppose to read the image or marker and display the 3D augmented reality image on the screen on the device… as 3D image of apple should be displayed on screen when card with letter A is presented in front of camera.