The Chinese Lucas Whiteboard app is an easy-to-use interface for drawings. Choose from a variety of brushes, including flat, curve, square, and ellipse, and you will have different options for a variety of things. 

Once you start using it, you will be able to create different pictures and edit your photos, you can even use it as a sticker editor. All you have to do is add the sticker you want, which can be a photo, text, emoji, or even your own voice, and you can start using it right away. You can also save your drawings, and you can also send them by e-mail, Facebook, or Instagram.