One of the many improvements in Android OS 2.1 is a 3D Gallery application. This is a neat feature that comes bundled with the new OS and gives you a cool new way to view your photos. check out some of the features. Learn how to use it with this clip. It's easy! So easy, that this video tutorial can present a complete, step-by-step overview of the process in about three minutes. For more information, including detailed, step-by-step instructions, watch this video guide.