The first joint product between Nokia and Microsoft (before the later acquired the former), Lumia was one of the first products to feature the very new Metro UI look and feel. The goal of this campaign was to offer free Lumia phones to the user...
Nokia, the Finish mobile giant from the 90s and now acquired by Microsoft, joined the smartphone "war' a little too late. Never the less, it's still one of the big mobile phone references in the world.
A very simple idea: offer user phone if he/she guesses its pin code number. Each user could play 3 times in physical digital kiosks, spread across many of FNAC department stores.
Also, a desktop version Facebook app was created with the same experience, which resulted in boosted awareness and engagement with users.
This campaign was so successful that it ignited new business with FNAC, resulting in many other projects integrating Social Media and DOOH projects.