Xperia Blog just posted a bunch of screen shots from a Sony 4.4 build that will be used with the successor to the Z1 scheduled to be announced at MWC. There are many interesting enhanced features, especially on the audio, pictures and video fronts. For your viewing pleasure, here is the link: Exclusive sneak peek at the Xperia KitKat UI for the Sony D6503 ‘Sirius’ | Xperia Blog