The name appears to be a shorthand used in file-sharing communities: : Refers to Android Application Packages (APKs).

: The official mobile version of WinRAR from RARLAB .

Downloading .rar files from unknown sources—especially those containing "app databases"—carries significant security risks:

: If the file is specifically meant for use with this tool, you can often extract and interact with the contents directly within its interface. Important Safety Warning

: A highly recommended, lightweight alternative for managing compressed archives.

About this app arrow_forward. RARLAB's RAR is an all-in-one, original, free, simple, easy and quick compression program, archiver, Google Play How to Open RAR Files on Windows, Mac, and Mobile - Avast