When set up correctly, you can enjoy several classic features portably: How to play Counter Strike 1.6 on Android with Xash3D

Download and install Xash3D FWGS and CS16Client from the Google Play Store .

This process is often called the “portable” method because once you set up the data folder on your SD card or internal storage, you can theoretically move it between devices without reinstallation.

You need to own a legitimate copy of CS:CZ on PC to legally extract the game assets. This method just repackages them for Android.