Blackboard Duster offers a delightful, modern mobile learning experience. By using this app you feel that you are seeing in Classroom and write letters on blackboard or real slate is in your hand. This application is designed for all. Everyone can write letters, alphabets, numbers, draw, play and erase. ◼ Simple & user friendly ◼ Free and offline App ◼ Low app size ◼ Easy to use You can save & share screenshot to your friends.