The graphics is surely awesome, but graphics is not all. Unfortunately, the game is buggy. And in some cases it does not give enough clues of what to do. Some remarks:
1. A bug: when you try to jump up the pipe at one point the cat fails to do another wall jump and just falls down with the part of the pipe;
2. Another bug: If you fall down at the beginning of the second string you may get stucked on the edge of the platform below with no possible move and all you can do is restart the level;
3. Yet another bug: If you fall down during the boss fight you may have problems to go back up. The clouds are going up, but you don't know where exactly are you and from where to jump on a cloud to get back on the roof;
4. A question: what is the rule on when does the crow drop a collectable feather?
5. A remark: the boss fight isn't so well designed. You got no idea when the crow drops its feathers on a platform and when not, it is dumb that you get thrown out of the roof every time you just accidentally touch the crow, another thing: while luring the crow sometimes it reacts immediately but sometimes it is just flying around no matter how many times you try to attract him.
A strong advice for the future: hire some testers among the players to check your game before release.