Compute is a free puzzle game available on Android 9.0 that helps you improve your mental arithmetic skills. Developed by Les Croisés Pour Android, this game is derived from the "Longest Word" test and offers a challenging and engaging way to practice basic arithmetic operations.

The game consists of a series of levels where you are presented with a set of numbers and a target value. Your task is to use the given numbers and basic arithmetic operations (addition, subtraction, multiplication, and division) to reach the target value. The game starts with simple calculations, but as you progress through the levels, the difficulty increases, and you have to use more complex operations to solve the puzzles.

The graphics are simple and easy to navigate, and the game is suitable for players of all ages who want to improve their mental arithmetic skills. Overall, Compute is a fun and educational game that challenges your brain and helps you stay sharp.