Ensure the path looks like: /Android/obb/com.xlegend.mjsg/main.xxxx.obb .
Copy or move the entire to your phone's internal storage path: Internal Storage / Android / obb / Ensure the path looks like: /Android/obb/com
Extract the contents. You should see a folder named something like com.xlegend.mjsg (or similar, matching the game's package name). Find your downloaded OBB file
Find your downloaded OBB file. It is often inside a .zip or .rar archive. If you open it before moving the OBB
: Once finished, do not open the game yet . If you open it before moving the OBB data, it will likely crash or show an "Installation failed" error. Locate the OBB Folder
Locate the downloaded .apk file in your folder using a file manager. Tap the file and select Install .
Close your file manager and find the game icon in your app drawer.