Firefox OS is not Android under the hood at all. "Firefox OS (sometimes abbreviated FxOS) is a new mobile operating system developed by Mozilla. It uses a Linu

Firefox OS is not Android under the hood at all. "Firefox OS (sometimes abbreviated FxOS) is a new mobile operating system developed by Mozilla. It uses a Linux kernel and boots into a Gecko-based runtime engine, which lets users run applications developed entirely using HTML, JavaScript, and other open web application APIs." https://developer.mozilla.org/en-US/docs/Mozilla/Firefox_OS https://developer.mozilla.org/en-US/docs/Mozilla/Firefox_OS