Suumtiply is a Windows 10 Mobile game that tests your skills at addition and multiplication in fast-paced, race against time fashion. Suumtiply is also today's AdDuplex HERO App.
The May AdDuplex report breaks down Windows 10 Mobile devices by Insider vs. non-Insider. We also see sharp declines worldwide for new Lumias, but there is one country where the Lumia 950 may crack the top ten.
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