Your game looks great!

You might not have gotten around to working on the camera system yet, but I noticed that the camera's glued to the character in the center of the screen without any lerping or anything.
Here are the big things I'd look at if it were my project:
- Lerping! Even if it's very subtle, it's worth doing.
- Position the camera so the player can see farther in the direction they're facing.
- I would lock the camera so that it wouldn't move when the player makes very small adjustments in position.
Just some things worth considering.

I also thought I'd pass along an interesting video I saw a while back regarding the camera system in Super Mario World. I found it really instructive.
Every game's different of course, but many of the concepts used in Super Mario World would probably serve you well also.
Super Mario World Camera Logic Review: