If your Smart TV’s remote control isn’t working with certain apps, you should take the following steps:

1. Check to make sure your Smart TV is connected to the same network as your devices.
2. Ensure the remote is powered with fresh batteries.
3. Update the Smart TV’s firmware to ensure it is up to date.
4. Make sure the AES and DAP settings are correct.
5. Check for any loose connections between the TV and router.
6. Try restarting your router and TV.