To install Counter Strike 1.6 on your Android devices, all you have to do is:
- Download and install CS APK with "omp" if you have multi-core device or "noomp" if you have single-core device. If you have problems with omp version install noomp
- Download and install the latest Xash3D Android from From Here
- Copy cstrike and valve folders from your Steam CS1.6 installation to xash folder on SDCard
- Run CS16Client
- Done !!!
That's it, you can enjoy Counter Strike 1.6 on your Android devices. Although, a bluetooth controller is recommended for a better gaming experience.