The latest version of Procreate (1.7.1) has some great new gestures in it. Matt from Artist Hardware shows you a few in this video.
-You can now pinch apart to create a new layer.
-Pinch together to merge layers.
-Swipe right on a layer to reveal some layer options (copy, duplicate and trash).
-Touch down three fingers and swipe left to undo (right to redo).
-Touch down two fingers on a layer and swipe left to reduce opacity (right to increase).

j vimeo.com/56919458

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