Smudge uses an different drawing method that saves screen space by avoiding menus and other interface elements.

Basic Moves:

1. Swipe to smudge paint
2. Double-tap to zoom in/out
3. Press and shake to add colors
4. Push Home+Sleep to save

Sidenote: At the point of posting this program has been marked as beeing freely available without costs. As this program is hosted with the AppStore the status might change. Authors like to publish their programs for free for promotion purpose and then make it commercial. Also it could happen that the author decides to take the program down.