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

. ├── hl2/ │ ├── maps/ (all .bsp files, including cut content like "e3_town") │ ├── materials/ (vmt/vtf textures optimized for Tegra’s tile-based rendering) │ ├── models/ (mdl files with reduced polygon counts) │ ├── sound/ (low-bitrate OGG Vorbis for mobile storage) │ ├── scripts/ (level transitions, NPC schedules) │ └── cfg/ (autoexec.cfg with NVIDIA-specific cvars: `mat_tonemap_occlusion 0`, `r_shadows 0`) └── LauncherActivity.so (native ARMv7/ARM64 libraries)

In modern "unofficial" setups (like using the Source Engine for Android or launchers by developers like Nillerusr), this file is typically placed in the /Android/obb/com.nvidia.valvesoftware.halflife2/ directory on your device's internal storage. main.22.com.nvidia.valvesoftware.halflife2.obb