VLC is a famous media player from VideoLabs, available on multiple platforms. A private beta version was available on the Windows Phone store earlier, Now videoLabs released a public beta version of the VLC player, “VLC for Windows Phone”. This media player supports most of the Audio and Video formats and that is why it was one of the most awaited player on the Windows Phone platform.
The Vlc public beta includes background music support which was absent in private beta.
The download size is 11MB and you will need to have a Windows Phone 8.1 device to run this application.
If you are interested you can get this application for your phone from Windows Phone Store