A free app for Android, by Casual Arena.

9 Ball Pool Casual Arena is an online multiplayer pool game designed with casual gaming in mind. It is where players can also challenge their friends or be matched with an opponent from anywhere in the world.

The game takes place on a 3D graphics and allows players to compete with each other and the machine (AI) on their own personalized matches. Players can compete on their own or play in a multiplayer mode.

The game allows players to hone their skills in a very casual setting, by going up against people of their own level or even the machine (AI) on customized training matches.