Been using RoughAnimator – animation app for a couple months now. It’s basically a full-featured hand-drawn animation tool for Android. Pretty solid app if you’re into that kind of thing.
Here’s what you can do: There’s a super handy timeline with unlimited layers, so you can do pose-to-pose or straight-ahead animation. It’s got onion skinning, video import for rotoscoping, custom brushes, and a bunch of other pro-level features. Took me a while to figure some of it out, but once you get the hang of it, it’s really powerful.
Look, if you’re an animator – even a beginner one – you’ll probably like this app. It’s not perfect – the ads can get annoying if you don’t pay – but overall it does the job. Worth checking out if you want to get into hand-drawn animation on your phone or tablet.