The update is apparently in testing right now and will be
available for the Xperia Play, Neo, Arc (pictured above) and Pro
but not for older mobiles such as the Nokia X8, X10 or X10 Mini.
The world has gone Eco made of late and for good reason and O2
jumped on-board long ago by putting "Eco ratings" on nearly all
the phones they sell in it's online shop.
Amazon are also planning a cunning move by launching the tablet at
a reduced cost which they hope to make back by selling
applications, books and movies through it's appstore.