Screen Mirroring from Mac to Chromecast now available from AirBeamTV Posted 4/18/2017 at 23:13 UTC in Mac by gnye@amdesign.net | Permalink | Tweet Mac software development company, AirBeamTV today announced the official release of the Mirror for Chromecast application on the Mac App Store and on their website. Screen Mirroring (sometimes called Screen Casting) allows you to see the screen of your Mac, or any external display connected to your Mac, on your TV. This makes it an ideal solution for watching videos on TV, or giving Powerpoint or Keynote presentations on a TV with a Chromecast connected to it.