In Feb 2014, WSJ is reporting that Nokia is working on an Android phone.
In Sept 2010,
Anssi Vanjoki, outgoing head of Nokia’s smartphone division, likens mobile phone makers that adopt Google’s software to Finnish boys who “pee in their pants” for warmth in the winter. Temporary relief is followed by an even worse predicament. [source]
As someone who has advocated Android for Nokia in the past, I think its just too late now to do that.