I supposedly 'won' like 5 times. It looks official and all, but until you get actual verification from Royster or Ian, I wouldn't click it if I were you.
Thaboss has seen this "scam" before. Usually, to get the iPad (or laptop, or TV, or PS3, or Wii, or Xbox) the person MUST sign up for a credit card (or something else like that). Thaboss thinks that the person *will* get the iPad, but not exactly for free.
Armor Games is not in control of what advertisements are shown. Although, they can talk to the advertising people and (hopefully) resolve issues with bad ads. Try talking to Justin or Cormyn.