Fiddling around with it some. Interesting. It's not going to replace Illustrator by any means (that's been my main medium for 13 years) but I kinda like it more than Ideas - I think I might take it out to doodle some this week.

Stuff I'd like to see:

sync sketchbook across devices (maybe via evernote?)

palm rejection with bluetooth styli

an equivalent to AI's artboard - a way to say "this is the edge of my canvas, please export a 72/150/300/other DPI image" instead of making the user futz with it

some way to organize drawings into different sketchbooks, also a way to delete a drawing from the home page

I also kinda feel like I'd like to see some calibration notches on the sliders.

The UI could be a bit more streamlined? I'd love to have immediate access to all the tools and a color popup instead of having to possibly double-tap on the brushes/tools icon to get the menu. ArtRage really gets it right with its little popups in the corner and a tiny toolbar on the bottom, but bitmap apps just make me itchy.