I'd recommend making it slightly more clear which platforms you can jump on and which are invisible/boxes you have to get.
I'm sure this was done out of necessity due to lack of time/artistic skill but on my first few playthroughs, I went to jump on a yellow platform only to fall to my death. Then I went to jump on a pink platform, only to fall to my death.
The jumping and movement feels great, however, and I really like how you hover/jump just a LITTLE bit more than what feels natural. Like you got some real hops.