The latest Android smartphones available on Google Play Edition – Computer World (press release)

Google Play Mobile Edition is a popular special editions
 devices, which feature a clean version of the operating system
 Android. Users of such equipment, usually the first to receive
 the ability to update their OSes to the latest version.

Yes it was this time. Android 4.4.3 can now download KitKat
 owners of the HTC One, HTC One (M8), Samsung Galaxy S4 and Sony
 Xperia Z Ultra.

Updates have not yet received all holders
 Nexus smartphones series (4, 5, 7), but should get to him
 access in the near future.

What changes the latest version of KitKat? In fact, very little – except
 standard “to improve the stability of the system and to tackle
 mistakes “in it visually refreshed application to
 make voice calls.

 > Android – history’s most popular mobile
 OS

^{source: GSMArena}