It's not as indie as you think it is. Ankama has a bunch of MMORPGs and their mobile adaptations under their belt, but this game is completely new, by a dev team of ten, so it's not middle-managed into oblivion, and it's got a QA department behind it to give it that extra polish. Quite an achievement, if you ask me.
I didn't expect to play another artsy 2D platformer in my life, and then this came along. It has complete disregard for boring things like target demographics, it doesn't give a rat's ass that the genre is oversaturated, and it flawlessly incorporates a multitude of mechanics, every one of which another developer might dedicate an entire game to. And it seems to do it so casually that it's hard to imagine why everyone doesn't make games as good as this.
Oh dear, I'm gushing, aren't I? Terribly sorry, I'll mop it up in just a moment.