Mmm... Art is something to be understood, enjoyed, and mused upon. With this, I did none of the aforementioned.
I think you chose semiotic devices somewhat badly, and the feel of the game was clunky and counter-intuitive. During the fall, I first thought I was supposed to re-ascend and spent a good while jumping on stars to try and get back up. While this could have been your intent, I'm not so sure about the clouds. The whole thing just felt... meh, in general.
Not terrible; it's better than I could program, but you still have a way to go.