Valve explains new Steam Guard trading policies, still doesn't help Windows Phone owners

[Windows Central]

We're all aware there's no Steam app for Windows powered phones. But now it's becoming a real problem.
Or it is if you're actively involved in trading on the platform. If you're not, you might not even know what this latest policy change is and what it means if you're carrying a Windows Phone in your pocket. That was the case for the staff at Windows Central, and mention of it in our comments section was our first real introduction.
And there's a growing number of folks taking exception to being left out in the cold again.

Full story from the WindowsCentral blog...