The title music is amazing! I opened the game on another tab just to listen it while I write this xD The controls feel very responsive and its fun to play. I really liked the color palette, pink and blue are always a good combination. Nice work!

I really liked the title music, and the game worked well. Things that would have been nice improvements:

1. The hearts could have been the same resolution as the other UI elements.
2. Would be nice if the camera didn't have the character in dead center the entire time. Felt more like you were moving the level than the character.

Otherwise, great job!

I liked the color palette, as Nemesis said, it feels calming. Even the bg music is very simple, it fits the game and is not tiring. Well done!

The overall game feel is quite calming. There was a slight confusion between the pickups and the enemies(as mentioned in the comment). Though the game is quite short, it is well polished