Main.22.com.nvidia.valvesoftware.halflife2.obb -

: The physical map data that defines the claustrophobic walls of the Citadel.

Placing it in a specific directory on your phone (usually Android/obb/com.nvidia.valvesoftware.halflife2/ ). Launching through a compatible launcher. The Verdict main.22.com.nvidia.valvesoftware.halflife2.obb

Move the .obb file into the com.nvidia.valvesoftware.halflife2 folder. : The physical map data that defines the

: The package name com.nvidia.valvesoftware.halflife2 indicates this is the official port of Half-Life 2 developed by NVIDIA for its Shield family of devices (Shield Portable, Tablet, and TV). main.22.com.nvidia.valvesoftware.halflife2.obb

: It was intended for the NVIDIA Shield Tablet and Shield TV . How to Use This File (General Guide)

(Note – still no “nvidia” in the package folder name)