Wait, the file is already in MKV, so maybe the feature is about enhancing the user experience when playing the movie. For example, a player that automatically detects and loads subtitles, or a way to sync subtitles with the audio if they're out of sync. Or integrating with media servers like Plex or Emby for streaming.
Considering the Hindi-English aspect, maybe a subtitle feature that allows the user to switch between different subtitles, like translating between the two languages. Or adding a feature where you can search for specific scenes based on spoken keywords, which would require speech-to-text functionality. The Wolf And The Lion 2021 Hindi-English 720p BluRay.mkv
Considering the file is a BluRay rip, a feature to extract the cover art and metadata from the file to organize a collection. Or integrating the file into a home media server with automatic thumbnails and descriptions. Wait, the file is already in MKV, so
Or, perhaps a feature for media management: automatically organizing the file into a library, tagging it with genre, director, cast, etc., which can be done through metadata tagging tools. This helps in categorizing the movie in a media library. Or integrating the file into a home media