You could also try the experimental GNOME Mobile or phosh, but those seem mostly aimed at phones instead of tablets.

https://adguard-dns.io/en/public-dns.html

That looks normal. It just cuts off the sides because the screen is narrower than the image. If you want to fit the complete picture and add letterboxes, you’ll have to edit it manually by adding height to the image

If you don’t want to tinker with a Raspberry Pi, a simpler alternative would be AdGuard DNS

https://adguard-dns.io/en/public-dns.html
(Configure manually -> Routers)

OpenRCT2

An open source re-implementation of RollerCoaster Tycoon 2

Alternative:

Your whole queue is gone and I’ll just stop playing after this song

Link to the repo:
https://github.com/polymorphicshade/Tubular