Microsoft’s annual Dream.Build.Play Challenge invites developers to create games for Windows Phone or the Xbox 360 and compete for cash prizes and fame. I had the chance to spend several long hours judging (read: playing) the games in this year’s...

[ Performance is a key concern for all but the most trivial of apps, and memory usage helps determine how well your app runs. In this series, Pratap Lakshman shows how the Windows Phone Performance Analysis Tool can help you diagnose and fix memory issues...

If you’re looking for a little more behind-the-scenes insight into our new Windows Phone Dev Center , check out the latest episode of Channel 9’s Inside Windows Phone . Host Larry Lieberman sat down with Ash Wahi, program manager for the...

[ Performance is a key concern for all but the most trivial of apps, and memory usage helps determine how well your app runs. In this series, Pratap Lakshman shows how the Windows Phone Performance Analysis Tool can help you diagnose and fix memory issues...

UPDATE (16 AUG) We fixed the digital certificate problem and last evening resumed publishing new apps. It will take a day or two for the repair to fully deploy and newly-published apps to begin appearing in Marketplace again.  If your app was in...

When we launched the Windows Phone Dev Center earlier this week, my colleague Ash Wahi outlined some of the improvements and new capabilities, and also asked for your feedback. Many of you said you liked the changes, others had suggestions for new ones...

Today I’m happy to announce the debut of the Windows Phone Dev Center , the new online home for Windows Phone developers. The site, an evolution of our retired App Hub developer portal, is designed to provide everything you need to build, publish...

Do best-selling apps have something in common? The experts on our Marketplace team think so. In part one , I shared some of the lessons they learned from studying top apps across Marketplace. Here’s the rest of the list: 6. Be quick to market...