This article covers the basic features of Firefox OS - apps, messaging, contacts, music and more. It also links to articles that you'll want to explore later.
The "Find My Device" feature lets you locate, lock or erase your information from a lost or stolen Firefox OS device via the Web.
This article explains how to clear the browsing history, the cookies and stored data on the Firefox Browser on Firefox OS.
The Marketplace is a store that features apps designed for any device that runs Firefox OS, Firefox for Android or Firefox desktop.