Desktop applications (Win32, Windows Forms to WPF) built with our SDK can be converted into a UWP application using the Microsoft Desktop Bridge: https://docs.microsoft.com/en-us/windows/uwp/porting/desktop-to-uwp-root
Our SDK uses Win32 APIs and at present is only available on x86 and x64. We do not have ARM support. As such, the SDK will not run on Windows Phone, Windows IoT, Xbox or HoloLens. We plan to support UWP in future versions of the SDK.