it says that supports mobile and even xboxone stuff
from the relase notes
This package contains the "DirectX Tool Kit", a collection of helper classes for
writing Direct3D 11 C++ code for Windows Store apps, Windows phone 8.x applications,
Xbox One exclusive apps, Xbox One hub apps, Windows 8.x Win32 desktop applications,
Windows 7 applications, and Windows Vista Direct3D 11.0 applications.
and it is open source with MIT license.