Maybe this depends on what model you have, but on my LG TV you can long-press the number buttons on the remote and it creates a shortcut to the current selected

Maybe this depends on what model you have, but on my LG TV you can long-press the number buttons on the remote and it creates a shortcut to the current selected input. Long press the same button again from anywhere, and you are taken there. Super nice to quickly open your favorite app. I honestly think the LG interface is excellent.