Time Lapse of Coloring
I know this may not be possible, but being able to see, save, and post a time lapse of your coloring process would be amazing.
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       Michael Rocharde,
    
 commented Michael Rocharde,
    
 commentedI use a screen recording app called RecordIt ($5.99). Then I record the session, save the recording to the camera roll, export it and then import it into Camtasia, and speed it up by 20x or 25x. Comes out fantastic.