Using a mix of WPF for the front end and powershell for the back end I made a little demo application to make an Arcade user interface for windows. The application relied on WASP.dll and windows APIs to manipulate running processes.
Code: https://github.com/timkscripts/ArcadePowershell
Check out fullscreen.ps1 for the majority of what it does.
Gif sums up it’s functionality. Everything was hard-coded so getting it to run somewhere else would be a pain.