The file does not appear to be a widely recognized mainstream application or a standard version of popular "MFF" apps like Marvel Future Fight (which currently uses versioning in the 11.x range). Given the specific version number ( 0.5 ), it is likely either an early-stage development build (Beta/Alpha), a specialized utility tool, or potentially a malicious file.
: A personal training and workout tracking app available on the Google Play Store. File: mff-0.5.apk ...
While "mff-0.5.apk" is not a standard release, the acronym "MFF" is commonly associated with: The file does not appear to be a
: A popular action-RPG by Netmarble. Official versions are much higher than 0.5, suggesting this file might be an unofficial mod, an extremely old version, or a fake installer. a specialized utility tool