DS Tower Defence is a free strategy game developed by Dodisoft for AndroidThe game falls under the arcade category and provides 40 levels of increasing difficulty to keep the players engaged.

The objective of the game is to strategically place your towers to prevent enemy tanks from reaching your Headquarters. The player can select and build any of the 4 towers from the menu. The tanks must be destroyed before they reach the HQ. The game offers a double-click feature to open the towers menu on the hills on terrain.

Overall, DS Tower Defence is a challenging game with a simple yet engaging gameplay. It is completely free for everyone to enjoy on their Android devices.