Hopscotch (https://www.gethopscotch.com): Creating games and animations on iPhone and iPad
Pocket Code (http://www.catrobat.org): Blocks programming for small form factor of mobile devices
Scratch Jr (http://www.scratchjr.org): Programming of animated scenes aimed at preliterate children
Tynker (https://www.tynker.com): Polished commercial platform for game and animation creation