The past two-tree days I've been really trying to draw on my tablet, spending way too much time trying out the various tools and doohickeys in the various apps I've downloaded. It's a little frustrating having to work on just a 7" screen, but it'll do (it's the best I have for portable drawing just the same).
Last evening I started working on a piece in Autodesk Sketchbook Pro for Tablets, and continued working on it throughout today, using several hours not just to draw, but also to learn the ins and outs of Sketchbook.
And voila... Here's the result!