• To access the action menu:
    • Swipe the screen vertically for the menu to appear or
    • Volume Down key on phone or remote Bluetooth controller/keyboard
  • To advance to next photo in alphabetical sequence use one of the following
    • Swipe screen right to left
    • Tap or click screen
    • Right arrow button on remote Bluetooth controller/keyboard
    • Enter key on remote Bluetooth controller/keyboard
  • To view the previous photo
    • Swipe left to right or
    • Left arrow button on remote Bluetooth controller/keyboard
  • To bring up Android navigation bar to exit the app, use one of the following
    • Swipe from top edge of screen, or
    • Swipe from right side edge of screen or
    • Use EXIT menu option
  • To start slideshow (Stereoscopic mode only)
    • Use action menu Start Slideshow option
  • To stop slideshow  (Stereoscopic mode only)
    • Tap screen or
    • Back button on Android navigation bar or key on a remote Bluetooth controller/keyboard
  • To show first photo in a folder
    • Home button on a remote Bluetooth controller/keyboard
  • To show last photo in a folder
    • End button on a remote Bluetooth controller/keyboard
  • To swap left and right images on the screen
    • Press Media start button on phone if available, or key on a remote Bluetooth controller/keyboard or
    • Use Settings option to swap left and right eye images. 
  • To view a 2D photo
    • Change Settings option to not split photo image into left and right images, choose non stereo mode.
  • ​To enter Cardboard VR mode
    • ​Select Cardboard VR menu item or
    • Long press the screen when the Settings option is checked
  • To use the Camera cha-cha feature
    • Start your camera app with one of the following:
      • Select Camera Cha Cha menu item
      • Press camera key on phone if available
      • Press volume up key. A remote controller volume up key also enters Camera cha-cha mode.
    • The camera app you use is your choice, for example, another alternative to your built-in camera app is  Open Camera, https://play.google.com/store/apps/details?id=net.sourceforge.opencamera&hl=en
  • To Swap between 2D and 3D photo presentation in Cardboard VR mode
    • ​​Press volume down key. This feature is for photos that are not 3D, so you can view in a stereoscope or Cardboard VR headset.


3D/VR Stereo Photo Viewer Navigation

Tekla Inc

3D/VR Photography Apps for Google Cardboard Android