We have to hand it to Nokia: the company faces an acquisition by Microsoft in the very near future, but it's still got a few tricks up its sleeves. The FCC just approved a mystery device known as the RX-114, and Nokia's team did an incredible job of dressing up the paperwork so as to hide all clues of what it really was -- that is, right up until the last page of a 167-page document full of bland measurements and technical graphs. What you see above is official confirmation that Nokia is indeed working on a