It bypasses the Tegra-specific requirement, allowing the Source engine to initialize on standard mobile GPUs.
While the patch is a community modification, the game data itself is copyrighted by Valve. To stay on the right side of the law, you should own Half-Life 2 on Steam. You can then use your own PC files and convert them for mobile use, applying the "Main 22" logic to the configuration. Conclusion main22comnvidiavalvesoftwarehalflife2obb patched
This must be named exactly com.nvidia.valvesoftware.halflife2 . It bypasses the Tegra-specific requirement
Newer versions of Android changed how apps read data. Patched files often include configurations that help the game find its assets within the Android/obb folder. main22comnvidiavalvesoftwarehalflife2obb patched