If that's part of the reason, it's probably very small. Google was always a threat with Google Voice. Which is much better integrated into Android phones, and e

If that's part of the reason, it's probably very small. Google was always a threat with Google Voice. Which is much better integrated into Android phones, and easier to use as a call replacement than anything Skype has to offer into Windows Phones. Yet, every carrier store is filled with Android devices. I doubt that's a strong reason.