Does VLC Media Player support MKV files?
Yep! VLC supports MKV.
Though MKV may contain some insupportable shit, but I have not ever seen that. VLC usually plays everything without decoders installed.
Yes, VLC can support most of the video and audio formats and offers the conversion of them.If you want to know more about VLC, you can go to this page http://flash-video-player.blogspot.com/2012/12/vlc-media-playerbest-flv-player-for.html
Yes, VLC Media Player supports MKV files. You can check the list of all supported formats on the official web page. If you have issues, running your MKV file, I suggest you install Combined Community Codec Pack. If it doesn't help, download and install MKV Player.
Yes, it does. VLC can play almost all the media formats except Blu-ray. For that disc, you can make use of Macgo Blu-ray Player. This may help you http://answers.informer.com/108423/how-to-display-blu-ray-menu-in-blu-ray-dvd-playback-on-mac-pro
Yes, VLC Media Player supports MKV files.
Yes, VLC Media Player supports almost all the media formats.