Following are the toolbars of HoloLens Emulator
Close – Close the emulator window
Minimize – Minimize the emulator window
Human Input – Mouse and Keyboard are used to simulate human input to emulator
Keyboard and Mouse Input - Keyboard and mouse input are passed directly to the HoloLens OS as keyboard and mouse events as if you connected a Bluetooth keyboard and mouse.
Fit to Screen - Fits the emulator to screen.
Zoom - Make the emulator larger and smaller.
Help - Open emulator help.
Open Device Portal - Open the Windows Device Portal for the HoloLens OS in the emulator.
Tools - Open the Additional Tools pane.