Firefox, Tizen 2.0 and Ubuntu Smartphones Introduced

Sony is committed to Firefox phones (with the help of Telefonica), and is releasing a Firefox OS handset in 2014, joining ZTE, Alcatel, Huawei and LG.

Built entirely using HTML5 and other open Web standards, Firefox OS is a Linux-based open source operating system for smartphones and tablet computers. It has been demonstrated on Android smartphones and the Raspberry Pi.
READ MORE: http://www.dailywireless.org/2013/02/27/firefox-smartphones-introduced/