Think you have the next great BlackBerry 10 app idea? The BlackBerry 10 Application Sketch Book is an essential tool for any aspiring BlackBerry developer. This sketch book makes it easy to centralize and organize your ideas, featuring enlarged BlackBerry 10 templates to write on. Professionally printed on high-quality paper, it has a total of 150 gridded templates for you to draft ideas and doodle designs while providing ample room to make notes and document the app name and screen name. This book is an invaluable tool for bringing your next great BlackBerry app idea to life!