The universal Windows app allows users to implement and tweak code from a single interface that can be reused across several platforms. According to Myerson, the feature will not be available in "the next few days or the next few weeks," but said that the company simply wanted to share the news.What we're going to enable is your universal Windows applications running on the Xbox
http://www.polygon.com/2014/4/2/5574750/microsofts-universal-windows-app-xbox-one-any-platform
Microsoft's new universal Windows apps run everywhere, from phones to the Xbox One
http://www.theverge.com/2014/4/2/55...al-apps-run-across-windows-tablets-phones-pcsMicrosoft is introducing universal Windows apps, a way for developers to create a single app that works across Windows phones, tablets, PCs, and the Xbox One. "All of us want the same app experiences across all devices," David Treadwell, a Microsoft operating system executive said while introducing the new type of apps. "Yet today there’s no easy way to create apps that work across all form factors."