Sony has announced that they are considering launching a Firefox OS phone next year and have released an experimental ROM for the Sony Xperia E, so that app developers and enthusiasts can test the platform and give Sony some valuable feedback. The reason behind choosing the Xperia E as the test subject is simple.Firefox OS has been built with low end smartphones in mind and the Xperia E has the same specs offered by the ZTE Open and the Alcatel One Touch Fire, the first two Firefox OS devices which were announced at the MWC.