Serial Killers: Smashy Town is an action-packed game developed by Appsoft Technology. This game is available only on Android 9.0 platform and it is free to download. In this game, you get to play the role of a serial killer who drives a tank and destroys everything in its path. The game has an endless, randomly generated city where you can demolish buildings and cars using different tanks with varying armor, attack power, and attack rate.

The game features power-ups that can help you improve your tank's destruction skills, such as invulnerability, +fire power, +power rate, and +5 gems. You can earn gems by destroying cars and use them to unlock better tanks with improved armor, attack power, and attack speed. You can also purchase laser tanks with limitless attack speed and nuclear tanks with one-shot kill attack power and incredible armor to last longer in the endless smashy city.

The game has a leaderboard and achievements to track your tank skills, destroy and smash progress, and compete with others in this destruction madness. The game is easy to play but hard to master, and it is perfect for those who love tank-based action games.