PS4 Controller Tester is a free Android app developed by Selva Sundar, belonging to the Utilities & Tools category. As the name suggests, it allows users to test the compatibility of their Android device with a PS4 controller. It is important to note that this app is not a PS4 controller itself, but rather a tool for testing its compatibility with your device.

The app is straightforward and easy to use. Before installing, users should ensure that their device supports the PS4 controller. Once installed, they can connect their PS4 controller to their device via Bluetooth and use the app to test its compatibility. The app provides detailed information on the controller's functionality and allows users to test all the buttons, joysticks, and triggers. Overall, PS4 Controller Tester is a handy app for anyone looking to test their device's compatibility with a PS4 controller before making a purchase.