Strategy game, also known as Traboulet or Akiba, or against the computer.

It consists of: one 7x7 board, 8 white balls, 8 black balls, 13 red balls
The goal is to conquer 7 red balls.
Players play one after the other. A player moves the whites, the other the blacks.
The red balls are neutral. They are the ones that players try to eject out of the playing surface.

You can play against another human player or against the phone