Andreas Android Definitive Edition Apk Upd: Gta San
The GTA San Andreas Definitive Edition is an updated version of the classic game, Grand Theft Auto: San Andreas. The game was initially released in 2004 for PlayStation 2 and later ported to other platforms, including Android. The Definitive Edition is an enhanced version of the game, featuring improved graphics, new features, and bug fixes.
Pretty sure it's chrome that's built in. Remember having to install Firefox from desktop mode.
Unless something changed recently, Firefox was always built in. They did make it so you have to install it manually a year or so after initially launching, but Chrome was never included.
Firefox is built-in with the desktop mode. I believe when first going to "Non-Steam Games" in Gaming Mode, SteamOS does prompt you to install Chrome as Chrome plays nicer in Gaming Mode.