If you have downloaded the APK file + OBB data, follow the procedures below to install your game.
Go to your android phone, open play store app. Navigate to settings>>security>>unknown sources enable it and get started with the game.
Download a good file extractor ( CLICK HERE TO DOWNLOAD ) and extra the file from the zip folder you downloaded. Now you will extract both the APK and OBB file.
Locate your OBB data that you extracted and move it to OBB folder. The folder is located under Android.
Now, proceed and install the APK file that you extracted. Now located the game icon and launch it. Happy gaming.