"Tank Factory" is an idle clicker game developed by Small Tiger Games and available for free on Android. As the name suggests, the game revolves around building and upgrading a tank factory to produce powerful tanks.

The gameplay is simple yet engaging. You start with a small factory and a limited number of workers. The workers mine ore and use it to build tanks. As you progress, you can upgrade your mines and workers to earn more money and produce more tanks. The game also features monsters that you can destroy to earn additional rewards.

One of the best things about "Tank Factory" is its idle nature. You can leave the game running in the background and come back to it later to collect your earnings. The graphics are decent, and the sound effects add to the overall experience. Overall, "Tank Factory" is a fun and addictive game that is worth checking out if you enjoy idle clicker games.