The applications have a few shortcut keys that can help

Screensaver

• Right arrow - Change to next scene
• Left arrow - Toggle if we should automatically goto next scene
• F9 - Take a screenshot and place it in your "Pictures" user folder

Standalone window

• Space - Change to next scene
• ESC -Quit
• F1 - Help
• F2 or Ctrl+A - Toggle always keeping the window on top of all others
• F9 - Take a screenshot and place it in your "Pictures" user folder
• Alt+Return or Double click - Toggle fullscreen
• Return or Left arrow - Toggle if we should automatically goto next scene

VR using oculus rift or a vive headset

• F5 or Home - Reset head position
• Right arrow or Space - Change to next scene
• Left arrow - Toggle if we should automatically goto next scene
• Return or Left arrow - Toggle if we should automatically goto next scene