This app is used for teach to a student by drawing on it using stylus. You can use stylus to draw and use your finger to erase. If you don't have stylus, you can change the icon to use finger. When you use stylus mode, you can erase several parts by your finger. You can draw freely and also draw by our shape template such as circle, triangle, rectangle, ellipse, ball, cube, tube, straight line, and arrow. You can choose the line type, continues, dotted or dashed. You can change the color also, to change color you can choose from the color bar. You can clear screen but single tap, and also you can redo or undo your last drawing. You can insert image from external storage, also insert text. You can change the board theme from external image. You can lock and unlock your drawing. You also can share your drawing by tap the share button. Thank you. Good luck!