To be honest about partner offers are really scum. To all developers, I suggest you to remove these and make another option such us voting game.
If you want to make sure if it's scum, feel free to check this site http://www.scamadviser.com.
All partner offers are from USA, 100% unsafe as I did try to get free AP 4 times, I got nothing.
My suggestion to get free AP, make vote system.
As I play DK Online, when you vote it, you get 20 AP as an example. You can re-vote in 6 hours to earn more APs. This is just my opinion.
Regarding, to all who tried to do partner offer, try not to do it again.