The reality is that customers just don't want to use Firefox OS. Even with Amazon's support, it would still be very inferior in many ways to Android and iOS, and even to some of the other less-popular mobile OSes that are already out there.
Given that Firefox OS apps written in HTML5, CSS and JavaScript should run just as well on Android and iOS, anyone actually wanting to use such apps is better off just getting an Android or an iOS device. That way they can run the Firefox OS apps, as well as all of the other apps that Android or iOS support.
Given that Firefox OS apps written in HTML5, CSS and JavaScript should run just as well on Android and iOS, anyone actually wanting to use such apps is better off just getting an Android or an iOS device. That way they can run the Firefox OS apps, as well as all of the other apps that Android or iOS support.