Xash3D FWGS is a port of Xash3D SDL, which compatible with GoldSrc engine.
Allows play Half-Life out-of-the-box and many Half-Life based modifications.
To launch Half-Life, you need:
1) Download and install Xash3D FWGS to your Android smartphone
2) Download the archive of game files and unzip to your Android smartphone
3) Specify path in Xash3D FWGS to unpacked game files
Attention! Using Xash3D FWGS you will not be able to play on HLDS servers!