Swipe To move through days you can simply swipe left and right to see your progress.
Swipe Right - to see the previous day, if there is one.
Swipe Left - to see the next day, if there is one.
Info Show this help and select the measure system, between Metric and Imperial/US.
History View the daily history, to allow quick navigation to any day. The history view also shows when a new picture was added.
User Details Allows you to set your details and select your picture from the camera roll.
Double Tap To show the picture only, simply double tap. It is possibly to swipe through days and only see your pictures. To see your details simply double tap the screen again.
