O2O App converts your handwriting into digital format by scanning your book page. Its a simple and smart way to save your notes and ideas into your device. View or read your notes from any kind of device and share them with your friends. All you need to do is follow the easy steps as instructed. To register your book and to get more information, visit our website at www.o2onote.com. O2O App only apply with usage of O2O books.