Scott Adams, the guy behind the Dilbert cartoons, turns tech reviewer on his blog today, offering his take after testing Windows Phone, Android and iPhone devices. And Microsoft will find a lot to like in what he writes … for the most part.

“If you want a smartphone that is easy to use, performs well, has a good battery life, and doesn’t frustrate you, the Windows phone is the best choice of the three options I tested,” he writes, in his summary. “All you give up is some hipster credibility and access to lesser-used apps.”

Those lines probably aren’t headed for a Microsoft billboard anytime soon. But his review overall is a high-profile shot in the arm for Windows Phone at a time when Microsoft’s mobile platform can use ever bit of momentum it can muster, as its share of the mobile market slips into the low single digits.

Adams explains that he complained in a previous post about both his iPhone 3GS and his Android phone, prompting Microsoft’s Brandon Watson to challenge him to test a Windows Phone, promising to donate $1,000 to the charity of Adams’ choice if he didn’t like the Windows Phone better than the others.

In his testing, Adams was using a Samsung Focus running Windows Phone’s upcoming 7.5 Mango update on AT&T’s network. He gives the Samsung running Windows Phone high marks for call quality and user interface, but calls its apps only “okay-ish.”

The iPhone (also running on the AT&T network) and Android device (an HTC EVO 3D running on Sprint’s network) both earn “fails” from Adams for call quality. He gives the iPhone’s apps his top mark.

Read Adams’ full review here. He doesn’t address this directly, but based on what he writes, it looks like Watson will be keeping that $1,000.

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