This feature allows users to view photos and videos uploaded to FamilyAlbum on their TV via a casting device.
Only those with a FamilyAlbum Premium Pro subscription and a compatible casting device are able to use this feature.
https://family-album.com/premium
The TV casting feature is available starting from FamilyAlbum version 20.11.0.
Supported casting devices:
Chromecast and Chromecast with Google TV
For detailed casting instructions, please refer to:
How do I view FamilyAlbum on a TV?