Steps to use the Flashcard mode on the Mobile site:

  1. Tap the center of the image to view the caption.
  2. Tap the arrows to advance to the the next/last image.
  3. Click on Switch to regular mode at the bottom of the image, to display all associated data for the image. Click on Switch to flashcard to return to flashcard mode. Use the back arrow at the top left of screen to back up one page.