Naka zip ba or naka .xapk yuong file?
Extract mo lang gamit ang Zarchiver or Es File Explorer. Once na extract na install apk.
Then gawa ka ng folder sa Android then create folder obb so bale magiging Android/Obb at diyaan mo e paste yuong file ng games. Yuong may com.xxxx na file mo.
Copy Paste mo sa obb yuong na extract mo na file yuong may com.xxx something na ganyang file.
So bale magiging android/obb/com.xxx na ganyaan.
Then install apk.