What do you run in Ubuntu for your content display? I currently run Rokus to access my Jellyfin server but have plenty of unused PC hardware which could replace the Roku.
I haven't found any family friendly (read: idiot proof) way to make the PC as easy to use as the Roku.
Nathan Lowell's The Golden Age of the Solar Clipper series is great, it's a space opera following normal people trying to make a living in space. It's a nice break from the hard scifi where everything goes wrong and the hero fixes everything, it's just a nice entertaining stress free read.
We should ask the scientific community about this but only believe the 1% who dissent from reason...
I found my old Stadia controller was much more stable when connected via Bluetooth