Follow these steps to use the remote control app for your Smart TV:

1. Download and install the remote control app on your device.
2. Open the app and connect to the same network as your TV.
3. Scan for nearby TVs using the app.
4. Select your TV from the list of detected devices.
5. You can now start using the app's features to turn on and off your TV, adjust the volume, use interactive TV guide controls, and access apps on your Smart TV.