Download the APK and extras.7z from Github Releases. https://github.com/SDLash3D/xash3d-android-project/releases/latest Install the APK.
Create /sdcard/xash folder.
Copy "valve" folder from your Half-Life Steam version to /sdcard/xash/. Example: /sdcard/xash/valve -- game data
Unpack extras.7z. It have recommended game configs and sprites for WON-style menu.
Open game.
Launching other mods
*Currently this port support only Half-Life. Only mods that doesn't have libraries will work perfectly. *
For example, if you want to play Half-Life: Uplink.
Copy modification folder to /sdcard/xash
Open game and in console args write: > -game "NameOfModFolder"