Images of Nokias Android phone — code-named Normandy — were published in November, showing what purported to be a low-cost smartphone that would run with a custom implementation of Android. Now another picture of the phone has appeared on Twitter, showing an apparent engineering prototype with a prominent back button and the Nokia logo on a live screen. @evleaks the engineering prototype of Nokia Normandy http://t.co/zHS3OGdtC6 pic.twitter.com/jXgkLuCKVc — sea (@seamissu) January 12, 2014 According to sources familiar with the project, the phone will use a forked version of Android, and a custom UI that has elements incorporated from both Windows Phone and Nokias low-end Asha range.