Recent reports suggest Amazon may be preparing a smartphone with 3D capabilities to compete with Apple's iPhone and Samsung's Galaxy handsets. New details from BGR and TechCrunch shed some light on this 3D feature and possibly provide us with our first look at the phone, which is partially hidden inside a case. According to BGR, multiple sources claim the phone will include a 4.7-inch display with 720p resolution, which is lower than the 1080p HD display in Samsung's flagship Galaxy S5 and less than the projected 1600x900 dis