From the Home screen, tap
.Open an album, then tap a picture.
Turn the phone to view the picture in vertical (portrait) or horizontal (landscape) orientation. The picture is displayed (but not saved) in the new orientation.
Tap the picture to view navigation, and other control icons. A horizontal band of all of the pictures in the album is displayed across the bottom of the screen. Swipe left and right along this band, then you can tap an image to view it in full size.
To zoom, use the pinch-to-zoom method, or just double-tap the screen.
When the picture is zoomed in, you can drag the picture to view parts that are not in view.
When the picture is zoomed to fit in the window, swipe left or right to view the next or previous picture in the album.
Tap the Menu Key to access Add location, Set image as, Move, Rename, Rotate left, Rotate right, Crop, Edit, Slideshow, and Details.