It's full of those little moments that make you go "ooooh". Like that one up there, when the little guy jumps over. Ooooh.
The game is Four Sided Fantasy, a platformer currently happily chipping away at a $US35,000 funding goal on Kickstarter. It's not doing all that well, which really sucks, 'cause the game looks pretty good, aesthetics-wise and gameplay-wise. Here:
The campaign page has a free prototype you can try, along with some really pretty gifs.