The KDE Plasma Linux desktop environment is already a feature-rich desktop for both productivity and gaming, but the KDE development team has been hard at work adding ever more features to the DE and polishing the experience. One of the newest additions to KDE, apparently coming in Plasma 6.7 and no...
I use Kodi for all of this plus IPTV, etc. It has a customizable “home”, menus, etc. that make it easy to navigate. You can also run audio/video in the background while navigating.
It can be a pain to setup everything but I think it’s worth it.