Over the month of August, WPCentral and AdDuplex teamed up for a Lumia 1520 giveaway contest. The entry simply involved users Tweeting a screenshot of their Start screen with the WPCentral app pinned and the hashtag #AdDuplexWPC.

The contest was open worldwide, and one lucky person was walking away with a brand new Lumia 1520 for about 30 seconds of "work."

AdDuplex (adduplex.com) has finally picked a winner based on the avalanche of screenshots posted to Twitter. The lucky person, according to the AdDuplex blog is Chintan K. Urmaliya ! So a big congratulations from AdDuplex and WPCentral for your win.

New developer September challenge

Now that August is over, AdDuplex is turning their eye to September, and they have a new developer focused contest to kick off. This time, the winner can pick from a Lumia 930, Lumia 1520 or HTC One (M8) (considering territorial accessibility). To enter, you must have an app on the Store with the following requirements:

"You should publish your app through AdDuplex cross-promotion network to promote it for free to become a winner of this month's challenge and your app must comply with some simple requirements. We will pick a winner from those published applications that have at least 100 reviews and average rating of 3.5* or more in the Store."

Additionally, AdDuplex is also giving away a Prestigio MultiPhones 8400 DUO and 8500 DUO to some lucky AdDuplex users to sweeten the deal.

So, developers, head to the AdDuplex blog to learn more and get those apps in the Store!