Android 4.4 Kitkat Dialer and Messaging apps screenshots

Android-kitkat-4_medium

Android-4_medium

So, there's a reason why the cyan (Famously called Holo Blue) in the status bar will be dropped in favor of white/grey icons. The status bar changes color depending on the viewed app.

Source

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Update: The Android Police are good at spotting stuff and they have thoughts that these may be fake. See ronakg's post below.

Update: The Android Police arrived at the scene. Here's their investigation results.