I really like how it looks in while fighting - those particle effects do a lot.

I'm sure you know the UI needs some work just with titles and logic.

Look forward to see if there's more opportunity for combos or some stamina system.

Looking like you're putting down a good foundation.

Good game concept, my only issue is I wanted to play it on PC. I can see potent.

Music can knock down (or lower the volume) but guessing it comes when you create the setting menu.  It can do with more customization eg clothes. The hitboxes (or box collision) shows when you are attacking.

KO boxes blend in the background on some levels. The timer counts down when showing intro taunts