"tōmato" is a simple game available on the iPhone platform developed by ume software SP. The game features monochrome vector graphics, bleepy sound effects, and offers genuine gameplay. Players are tasked with flicking a small square box at triangles from below a line.

In "tōmato," the objective is to hit the triangles with the square box. When a triangle is hit, it switches between an outlined and filled shape. A round is successfully completed when all triangles are filled. However, if all triangles are outlined, the game comes to an end. Additionally, players can tap the "C" in the upper right corner to change colors during gameplay.