Pin apps and folders to the desktop or taskbar - Microsoft Support
To pin apps to the taskbar. Select Start , select the arrow next to All apps, right-click the app, then select More > Pin to taskbar. If the app is already open on the desktop, press and hold (or right click) the app's taskbar icon, and then select Pin to taskbar.
What controllers can I use for cloud gaming on Xbox?
If you’re using a web browser to play cloud games, the Xbox Wireless Controller is currently the only officially supported controller. Other controllers may or may not work for cloud gaming on a browser. For cloud gaming on smart TV, see: Connect a controller to your smart TV.