A few tweaks...

This is almost great. But within several specific pictures, not all, the fill tool "action" happens consistently one section to the right of tap location. That really pretty much ruins the experience of the piece. Sloppy edges are one thing, especially with this level of detail on a small screen, but this is a much more fundamental miscalibration that badly needs addressing.

The Rev Owen about Querkles: Adult Colouring for Mindfulness