Features:
- Full Screen work space with UI-on-demand
- Multi-touch navigation with a 2500% zoom
- Canvas size: 3GS 1024 x 682 (all other devices 600x400)
- Up to 6 layers on 3GS (3 layers on other devices)
- Import layer from Photo Library or Camera
- Merge Layers and toggle layer Visibility
- Save work-in-progress and export to Photo Library or E-mail images
- 10 levels of undo and redo
- 25 preset brushes, including a flood fill and texture brushes
- Synthetic pressure sensitivity (brush fade-off)
- Smooth brush stroking
- Completely customizable brush settings
- Dynamic symmetric drawing
- Color Wheel and Customizable Color Swatches

Homepage:- http://usa.autodesk.com