Genius app .... No other word ....
Some implement ask :) only ideas for make it PRO like no one app:
1 change size of area simmerty
2 watercolour brush
3 pencil brush
4 background color change
5 save favorite brush
6 ipad pro resize interface(so big now)
7 better layer manager
filoJ about iOrnament: draw mandala & art, v2.0.2