If you're looking for a fun and challenging game to test your math skills, then Sum Numbers by HighLab Co.Ltd. is the perfect app for you. Available on Android for free, this game falls under the category of arcade games and is a great way to pass the time while also sharpening your mind.

The gameplay is simple yet addictive. You are presented with a mathematical formula in the middle of the screen, and you have to choose the correct answer before the ball hits it. The game gets progressively harder as you advance, and you have to be quick with your calculations to keep up. If you can score more than 100 points, you might just be a genius!

Overall, Sum Numbers is a great game for anyone who loves math or just wants to challenge their brain. The graphics are clean and simple, and the gameplay is easy to understand but difficult to master. Download it for free today and see how high you can score!