WiFi-Display(miracast) sink is a handy tool that lets you project your Android screen onto a TV or monitor. It's an ideal solution if you want to watch TV shows, movies, or play games on a larger screen using your Android tablet or phone.

Here's how to use it:

First, make sure your WiFi is turned on. Next, launch the WiFi-Display(miracast) sink application on the device whose screen you'd like to display on the TV or monitor. Take note of the device name displayed within the application.

Then, on another Android device, navigate to the Miracast connection settings. Wait for the device name you noted earlier to appear in these settings. Once it does, tap on the device name to establish a connection.

Now, sit back and enjoy your Android screen on your larger TV or monitor!