You can pin any of your mobile apps to the Start menu and Taskbar in Windows 11 and use them when your phone is connected to your PC.

The default keyboard shortcut to pin any window to the screen is Windows Key + Control + T. (You can change this, if you want, in the Always On Top section of the PowerToys app.

A new Insider build of Windows 11 shows improved information widgets on the lock screen and adds a new option to pin apps to the taskbar.