What is the gs extension file

Download Block Go - Online Batttle APK v4.8

How to install Block Go - Online Batttle

Click the saved APK file, Block Go - Online Batttle. Installation may not be allowed.
Since Android phones do not allow installing APKs from unknown sources (Unknown Sources), please do the following:
-> Open the downloaded Block Go - Online Batttle .apk file. You will see a warning message like this:

-> Click on Settings (Settings).
-> Click on the Switch on button.
-> Go back and open the downloaded APK file again. Click the Install button.

How to Install the OBB File (the APK Extension File)

+ Please download the Block Go - Online Batttle APK file first.
+ Copy and install the APK file on your device's SD card. (Do not open it after installation.)
+ Download the obb file and copy the * .obb file named '' to the desired location:
/ SDCARD / Android / obb / com.gs.gstetris.free /
-> The full / absolute path of the obb file looks like this (case-sensitive):
If there is no such folder, you will have to manually create the path or folder on your SD card.