One of the Steam Deck’s primary advantages over more powerful handheld gaming PCs is its operating system, which is designed to mimic a game console interface within a Linux PC environment. Valve has long planned to bring the OS to other devices, but a recent Steam Deck software update includes the first mention of a rival handheld.
Yes, but it really only works at low latency over a wired connection. It’s great for video or games where input lag isn’t a big deal.