It's a game about balls and bouncing balls and clicking balls to destroy balls. I don't know what to tell you.
I try to find good things in games, things that make them stand out. This is... I don't know, I guess there's an audience for this but I was playing for 30 minutes and I didn't feel like I accomplished anything. The progress is super slow, balls do almost no damage at the beginning, upgrades become very expensive, so probably after playing for hours and hours and bouncing balls and clicking balls to destroy balls and prestiging several times it will be fun?
At this point I don't know if they make these kind of games as a smart critique about how we play games, and how we endure monotonous gameplay and the boredom and so on and so forth... or they're just a lazy attempt to go viral and get a few bucks.