Convert Android, IOS and Win 32 code for apps into Universal Windows Store apps. You can also take a hosted web app and package it up and deliver it via The Store.
“Microsoft is creating the world’s best app store, and bridges are an integral part of the plan. Bridges – announced at the BUILD2015 conference in May – are hosted web apps that run primarily on the Web but are packaged and distributed via the Windows Store.” .. Microsoft Bizspark Newletter Aug 2015
Three additional apps target specific platforms: