Submarine Destroyer is a free arcade-style game developed by KJK Apps LLC for Android devices. The game's objective is to destroy all the submarines on each level to advance to the next one. To destroy the submarines, you must drop Depth Charges from the back of your Ship. The Depth Charges must explode next to the submarine to damage it, and they explode at the level in which you touch the screen.

As you progress in the game, you can earn credits to upgrade your Ship, with options such as reducing the Depth Charge load time, increasing the Ship's speed, increasing the number of Depth Charges, and increasing the number of loaded Depth Charges. These upgrades will help you complete your missions more efficiently and faster.

Submarine Destroyer is an engaging and challenging game that tests your skills in strategy, timing, and accuracy. It has simple yet effective graphics and sound effects that complement the gameplay. The game is easy to learn, but it takes practice and patience to master. If you're a fan of arcade-style games or enjoy submarine-themed games, Submarine Destroyer is definitely worth a try.