Correspondent J. A. Mathis Host ID: 274 email: email@example.com episodes: 1 hpr1444 :: What is Firefox OS? Released: 2014-02-13. Duration: 00:13:25. Flag: Clean. Series: general. Tags: Firefox OS. A short introduction to Mozilla's Firefox OS mobile operating system and what it is Listen in ogg, spx, or mp3 format.