Google wouldn't leave its Android 4.4 KitKat poster child, the Nexus 5, without some exclusive features now, would it? From low-power audio playback to full-screen wallpapers with preview - these are Android KitKat novelties you can enjoy solely on the Nexus 5 for now...
Source: http://www.phonearena.com/news/Bragging-rights-5-Android-KitKat-features-exclusive-to-the-Nexus-5_id49102
Source: http://www.phonearena.com/news/Bragging-rights-5-Android-KitKat-features-exclusive-to-the-Nexus-5_id49102