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As you might already be aware, Sony Ericsson Xperia Arc is the world’s thinnest phone, with a waistline of 8.7mm. Well, the device just got a follow-up, the Arc Duo model, pictured below. This is a concept created by Esato board member pavlov’s dog.

The interface on the Xperia design sis a mystery and it certainly doesn’t look like Android. Sadly, the original pic was a bit dark, so we couldn’t make much of it, having to increase the brightness.

Update: Bart Schuck enhanced the image for us and pointed out that this IS Android running on the phone and probably Gingerbread.  Heres’s the enhanced image:

Thanks Bart!

[via Esato]