Very basic. Not worth paying. No ability to pick pen thickness. Default pen is too thick. No ability to zoom, scroll. Fixed canvas size. Nothing I would expect in the most basic paid app.
bug fixes you can not boot v1.4
additional functions Back v1.3 icon menu, and before up to nine
Color Picker V1.2 fix, change the configuration menu, multilingual support (French)
Add Color Picker V1.1