This is how they say it works:
However a recent update broke the left arrow. When you press it, you are now prompted to press the down arrow for recently viewed
please fix fix it so the the left arrow brings up the channel list on the left. Having to go to the guide for channels is a pain.
works fine on roku
It used to work on my Samsung Ku7000 4K tv
it’s a built in app or downloadable for it
stopped working as documented in 11.2 created Nov 14 2018