I love how relaxing this game is. It reminds me of Alto's Odyssey. I love also the parallax effect you added to the branch as it adds depth visually. The visuals and music are great! I think a little more juice would make it even more better like as suggested by the previous comment to add some audio feedback, particle effects on the leaf, or something like that.
This may be subjective but in terms of creativity and theme adherence, same with the other games that I've rated, I don't think it doesn't feel like spin to win. One thing I could explain this is if you just change the animation of the leaf like a simple floating effect only and throw away the spinning part of the game, it would not really affect the game overall.
Overall, it was a great game! It was pretty enjoyable too! Good job and congratulations!