Screencast series: App Basics for Firefox OS - Archive of obsolete content | MDNFirefox OS is an operating system that brings the Web to mobile devices. Instead of being a new OS with new technologies and development environments it builds on standardised web technologies that have been in use for years now. If you are a web developer and you want to build a mobile app, Firefox OS gives you the tools to do so, without having to change your workflow or learn a totally new deve
