Underneath, every one of these is the same three steps: install a player, hand it a server address, a username and a password, and wait while the list downloads. The credentials never change between devices, so the second screen takes about two minutes once the first is working.
What differs, and the only reason thirteen separate pages exist, is where each platform hides its menus and how it fails. Fire OS buries a per-app permission behind a global one. Tizen has no sideloading at all. Smart IPTV has no login screen and asks for a MAC address instead. A single generic sequence would be wrong for most readers at exactly the point they got stuck, so each of these was written while setting that particular device up.