As part of their regular developer contest, AdDuplex is giving away a flagship Windows Phone 8.1 handset.
Winners will have a choice of other a Nokia Lumia 930, Lumia 1520 or HTC One (M8) for windows.
To take part in the contest developers need to publish their app through AdDuplexcross-promotion network.
Winners will be chosen from those published applications that have at least 100 reviews and average rating of 3.5* or more in the Store.
To enter register your app by the end of September and also get the whole batch ofbenefits of cross-promotion.
Via AdDuplex.com
