That'll be nice. A lot of branding options there. Powered by SteamOS, that'll be nice for knowing that all the devices drivers have Linux support
Steam Included, easiest win for manufacturers. Steam Deck is pretty much an older generation AMD laptop. Slapping Steam Included should be viable for most new laptops these days
Steam Compatible, hardware shipped with approved controller inputs. I guess Android TV boxes shipped with a gamepad for Steam Link or GeForce Now
Steam Link Compatible, that's practically any computing device with a WiFi card or Ethernet these days. I guess anything that doesn't have a gamepad included