This classic error almost always means your APK version doesn't match your OBB version. Make sure the version number on your APK file (e.g., 1.2.3e) matches the version of the OBB data you downloaded.

Even with a "fixed portable" build, you may encounter issues. Here is the definitive fix guide:

Extract the contents. You are looking for a folder structured exactly like this: com.gameloft.android.ANMP.GloftM4HM . Step 3: Move the OBB Folder to the Correct Path

is necessary to correctly place the OBB folder, as modern Android versions restrict access to the /Android/obb directory. Security Risk:

Sorry, that is a members only option