Sonys Google Glass competitor is one step closer to the spotlight. The Japanese hardware maker has released a software development kit for its SmartEyeglass headset today (Sept. 19), with a developers version of the hardware slated for March 2015. Available for download from Sonys developer website, the SDK will emulate the upcoming augmented reality headset via your Android phones camera (Android 4.1 required, 4.3 required for video functionality).