Undo

Tap with 2 fingers to undo

Redo

Tap with 3 fingers to redo

Display Buttons:
Display undo-redo buttons in preferences

Zoom

Pinch out to zoom

Dezoom canvas

Pinch in on canvas and wait 0,3 sec

Move canvas

Hold two fingers and move

Browse / Save

Pinch in to save your drawing and browse

More menu

Tap to Share, import and more...

Import photo

Import photos into your drawing

Record

Record your drawing in real time (only availble on recent devices)

Hide UI (zen mode)

Tap the “L" button to hide all UI elements