It's a Facebook event. Like the page and read the instructions.
Here are the posted guidelines...
Ends: 02/18/2014 23:59:59 PDT
Winners will be announced on the Aeria Browser Facebook.
AP will be awarded into your Aeria Games Account.
Items will be send to your character.
Only ONE entry per Aeria Games User.
You obtain one point per friend who participated via your refer-a-friend link.
The goal is to obtain as many points as possible!
Of course, the event will not be paid out until the event has ended, so please be patient. Thanks.