If you are manually moving files or fixing a "Download failed" error, the file must be placed in the correct directory on your Android device or NVIDIA Shield.
Correct Path:
/Android/obb/com.nvidia.valvesoftware.halflife2/
Full Path:
/sdcard/Android/obb/com.nvidia.valvesoftware.halflife2/main.22.com.nvidia.valvesoftware.halflife2.obb main.22.com.nvidia.valvesoftware.halflife2.obb
Important: If the file is named incorrectly (even slightly) or placed in the wrong folder, the game will not recognize it and will try to download it again or crash.
Delete the current installation of Half-Life 2 from your NVIDIA Shield or Android device. Also, manually navigate to:
Internal Storage > Android > obb > com.nvidia.valvesoftware.halflife2
Delete any stray files in that folder. The OBB contains essential game assets; the APK
OBB version numbers increase with updates. Version 22 corresponds to a specific update around 2016–2017. Updates added:
Earlier versions were 1, 5, 12, etc. Version 22 is one of the final stable releases before NVIDIA stopped updating it. If you are manually moving files or fixing
When you installed Half-Life 2 from the Google Play Store on a SHIELD device:
Half-Life 2 was never released for standard Android phones. It was a launch exclusive for the NVIDIA Shield (Shield Portable, Shield Tablet, and Shield Android TV). NVIDIA paid Valve to port the Source Engine to Android, specifically optimized for Tegra processors.
Therefore:
When you purchase Half-Life 2 from the Google Play Store on an NVIDIA Shield device, the Play Store downloads two files: