The document outlines Firefox OS and open web apps, including an agenda for a workshop on building apps for Firefox OS. It provides overviews of Firefox OS, developing open web apps using HTML5, CSS and JavaScript, app manifest files, and publishing/installing apps. It also describes various web APIs available to Firefox OS apps, including battery status, notifications, screen orientation, vibration, networking information, proximity sensing, ambient light detection, device storage, contacts, and activities. Future planned APIs are listed as well.