Colorue

Colorue is an open source drawing app that is easy to use and accurate. From sending quick doodles to sharing digital masterpieces, express your imagination in full color.
Send your drawings drawings to your friends, share them on social media, or just save them to Photos for yourself.
Features:
• Aim mode for drawing dots where you to
• Color mixing to draw with any color
• Import photos to draw on
• Line tool for drawing lines and polygons
• Curve tool
• Circle tool for making ovals and circles
• Paint bucket
• Color dropper tool for selecting colors from the drawing
• Change the opacity of your strokes