It is a desktop draw tool, can draw line on it free,you can set line's color or width.Clear the points(lines) that you drawed(when you clear on Desktop,it will be magic)!,for education,demo,explaining,for doodling too. You can introduction your product easy. it is magic too if you using a touch screen.
1.Draw on your desktop;
2.Draw on a "blank paper";
4.Double mouse click to Clean them;
5.Spot light tools;
6.Save your drawing.