http://youtu.be/vEo9iHX6GWo
Autodesk SketchBook is a professional painting and drawing application Delivery to Italy takes one or two business days designed for iOS devices and maintains the same paint engine used by the computer version. SketchBook Mobile includes sophisticated pencils and brushes in a simple, easy-to-use interface.
The whole screen is you canvas and the interface does not bother when working. If you want you can customize the brushess adjusting the radius, opacity, rotation, etc. And control even the smallest detail thanks to the enormous zoom that allows you to see your drawing at 2.500 percent of its size.
The best thing about this app is the synthetic pressure sensor, which allows you to detect the emphasis that you put on each line and add it to the drawing as if you were working with real pencils and brushes.
The organization and saving of the drawings is done with multiple options, but the most interesting thing is that it allows you to store them directly in your account. iCloud or Dropbox. It is recommended to use a free Sketchbook account to unlock the Layer Editor, Symmetry tools, and other functions.
This app also has a PRO version which increases the capabilities of the brush library, working with layers, specific functions of time-lapse recording, etc. This purchase involves $3,59 that will be very profitable to those who draw regularly or as a profession.