The Gallery app presents the pictures and videos saved in your phone, including those you’ve taken with the Camera app and those you downloaded from the web or other locations. When another app saves a picture, it automatically creates a download folder to contain the picture (e.g., capturing a screen shot creates the Screenshot folder).
Tap an album to open it and view its contents.
Tap a picture or video in an album to view it.
Return to the main Gallery screen at any time by tapping (in the upperleft corner of the screen).
Tap the Menu Key to access New album, Delete, Hide/Show album, View all files, Help, and Settings.
Tap the location menu (at the top of the screen) to access a drop-down menu of the location of your files. Choose Gallery, Picasa, or Nearby devices.
Tap the Camera icon (at the top of the screen) to return to the Camera app.
Tap the Display icon (at the top of the screen) to select your Gallery view. Choose from Albums, Locations, and Timestamp.