This app is stupidly hard to use, its so hard to rub things out without it rubbing something else out, and theres no automatic circle mechanic so your just sitting there murdering you arm trying to make a good circle then when you finally get one, you try to fix a mistake oh, WHOOPS THE STUPID RUBBER ERASED SOMETHING ELSE ASWELL please fix the stupid rubber and add automatic circles also as soon as i start playing my animation AN ADD COMES UP. This app is super had to use and i dont recomend it