Paint is a drawing application providing a lots of cool feature like setting of stroke/background color, save/load picture, special effects etc.
There is also a kids mode which will change color and size at each stroke.
1.3:Bug fix (background color, erase mode), some change in size stroke.
1.2 : share feature, few bug fix, link to this blog
1.1: load/save picture
1.0: big ui and features rework