GloSC allows you to use your SteamController as a systemwide XInput-controller alongside a systemwide (borderless window) Steam overlay
All complete with per application bindings and working rumble emulation.
GloSC can also launch any of your favorite games or applications and directly add them to Steam, be it Win32 or UWP!
It is the tool to enjoy any Game that has trouble with Steam and/or add extra functionality to your SteamController
UWP Reshade / SweetFX , Origin and Uplay and more with no hassle