There's an option on the TV called "LG Connect Apps". It needs to be On in order for the application to request access to the TV
1- You need to open the TV Settings, click on Network and LG Connect Apps
2- Make sure the option is ON
You're all done.
Reinstall and configure the application and it should work. In case you're still facing any issues after applying this procedure please contact our support via email using our app Settings.