: The trailing "F" could signify that this is a final or definitive version of the modded app, though without more context, it's hard to say for certain.
If you must install from an APK (e.g., Huawei device without Play Store), get the APK only from APKMirror (owned by Illogical Robotics, which verifies signatures match the official release). Never trust “mod” or “cracked” sites.
Resolved issues where the app would crash during subtitle selection.