After years of development, Amazon is finally close to unveiling the first of several own-brand smartphones. At a distance, Amazon’s upcoming flagship phone looks much like any other touchscreen phone on the market. But the company has spent years creating a unique and, at times, novel user experience that has two main focuses: Amazon products and services, and a custom 3D interface unlike anything we have seen before on a smartphone. And so begins the story of Amazon’s first smartphone. Recent reports have shed some light on Amazon’s plans to enter the competitive smartphone market with an own-brand handset. The Wall Street Journal reported last week that the company’s first crack at a cell phone will be announced in June and released