The short answer is nuanced. The long answer involves emulation, reverse engineering, native ports, and a deep dive into why the Source Engine is both a blessing and a curse for mobile hardware.
So, no official port exists. But that has never stopped the modding community. garry 39-s mod source engine android
A community-made port of the (often referred to as srceng-android ) can run certain Valve games and mods on mobile. The short answer is nuanced
: Native ARM compilation (Nillerusr) is 3x faster than emulation. But both struggle with any map larger than gm_construct. But that has never stopped the modding community
: While primarily used to run games like Half-Life 2 or Portal natively on Android, some users have successfully loaded basic GMod maps and assets by placing files in a dedicated srceng folder.
Distributing modified Source Engine binaries is a legal gray area. The Source Engine SDK 2013 is open-source (under a non-commercial license), but game assets (textures, models from Counter-Strike, Half-Life 2) are copyrighted. The Nillerusr port requires you to copy garrysmod/ folder from a legitimate Steam installation. —they often contain malware. Compile from source or follow trusted GitHub guides.