BSLauncher is a standalone game which uses Xash3D FWGS engine and compatible with Blue Shift
THIS GAME IS NOT SHIPPED WITH GAME DATA. YOU MUST GET IT FROM YOUR LICENCED COPY OF BLUE SHIFT
To play it, make sure you followed these steps:
1) Installed Xash3D FWGS
2) Copied "valve" and "bshift" folders from your Steam account to your Android device. (e.g. to "xash" folder on your device storage. If you choosed another folder, make sure you are choosed this in Xash3D FWGS app)
3) Installed BSLauncher.