Thank you very much for playing and providing such detailed feedback :)
Regarding the hit press, do you mean that it's the same animation regardless of whether you hit it on time? So to fix this, it would need an additional / different confirmation that you got it on time?
I agree there isn't enough time to look at the combo / score, moving it closer is a good idea!
The theme was the falling cars level, but then I added the others as extras :) but I agree it could have had more relation to the theme