The graphics are looking nice despite the simplicity, and I like the juicy animations. The music has good mixing but is a bit unsettling harmonically. I'm not sure if I want to listen to it throughout the entire game.
Granted I'm not a very good platformer player, but I find it too easy to slip off an edge and end up bouncing around a gravity line in the middle of nowhere. The game also punishes players for trying to go back and get a missed coin because that will get the player stuck. I feel these combined with the lack of checkpoints made the later levels more frustrating than fun for me that I just gave up. But overall this is still a good entry and I can see why diehard platformer fans would like it. Nice game!