[GAME][FREE][2.3+] toiboi 1.0f

Hello everyone, I want to share with you a game that I have developed. It is simple and competitive at the same time.
Take a look at Google Play:
play.google.com/store/apps/details?id=com.al.toiboi

Here some screens:

I am a graphic designer, and was trying to do something new for myself.
Feel free to review, any advice or ideas would be great.
Regards, Sam.