The following are useful keyboard shortcuts you can use for Kiosk:
Ctrl+Q Shut down the kiosk
Ctrl+Shift+W Enable/Disable other keyboard shortcuts - This has to be enabled to use any of the following shortcuts.
Ctrl+Shift+S Show Settings window that displays device configuration
Ctrl+Shift+N Refreshes the Kiosk.
Ctrl+Shift+0 Open/Reload the default advertisement window, if settings allow.
Ctrl+Shift+1 Reset's the Kiosk configuration. Will bring you back to the start of setup to upload the JSON file or run through Manual Setup.,
Ctrl+Shift+I Show console log of the window on focus
Ctrl+Shift+U Show console log of the call-related-window