Just open the app and start writing or drawing, very simple and basic user interface.
just rotate your phone to clear the board or just go back to clear the board.
Change brush size, width and paint, sketch whatever you like, you can also change color, to any RGB color, also you can change alpha value for your color.
you can erase all the painted stuffs at once, you can save your work, drawing, painting & rough works. AN UPGRADED VERSION OF WHITEBOARD APP.

Thank you and enjoy the app.