[aaricwon]

Can someone tell me what it is and what it does?

I'm looking for an Android box to dedicate to XBMC and I'm seeing Miricast a lot...

[Prof Yaffle]

https://en.wikipedia.org/wiki/Miracast

[Hedda]

XBMC/Kodi does not feature Miracast support itself, and if you search thread titles for "miracast" here in in this forum then you will find more information on why that is.

http://forum.kodi.tv/search.php

Android OS and some third-party Android apps support Miracast depending on version, not related to XBMC/Kodi though and this is the wrong forum to discuss them.

https://www.google.com