Nice cute platformer! The concept is unique and the art is amazing. However, the music is a bit repetitive, so maybe that one can be improved in the future.
I also think that it would be better if the levels can be designed more around the central mechanic.
Overall, nice work! :)
P.S. Please consider giving feedback to our game as well. https://itch.io/jam/gmtk-2018/rate/300343