I've been playing with Shape a bit, but I can't get it do what it says on the tin. This is an image from the App store Shape page:
I printed it, pointed my phone at it, moved the slider up and down and I got:
There's no nice detail, and I can't get dark areas to fill. I'm willing to give Adobe the benefit of the doubt and blame it on user error, and not suggest that the image in the app store is a... shall we say... 'illustrative depiction' but I just can't find any other settings. Any ideas? Thanks