Valve made a Steam Deck Verified program for things that aren't Steam Decks
Briefly

Steam is launching a new compatibility rating system that will indicate which games are supported on its operating system, SteamOS. This system, scheduled for rollout in the coming weeks, extends the existing Steam Deck Verified program by giving a visual checkmark to compatible games. This move aims to future-proof SteamOS, especially as Valve anticipates increasing adoption of its operating system across more handheld devices, beyond just the Steam Deck, enhancing the overall gaming experience.
Steam's new compatibility rating will provide a visual indicator for players to easily determine which games support the company's operating system, enhancing user experience.
The SteamOS Compatibility assessment will roll out soon and is an extension of the Steam Deck Verified program, ensuring seamless support for existing game developers.
Read at Engadget
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