This is a frequently asked question in MSDN forums:
I have an iOS or Android app. How do I port it to Windows Store app?
Here is the answer:
Thanks to the partnership with Support Escalation Engineers in CSS, ECO Solution Asset Video Team, DPE and Channel 9 for making this great content.
As we are publishing more and more video tutorials and how-do-I demos about Windows 8, Windows Phone 8 and Windows Azure, you can follow us in our All-In-One Code Framework Channel 9 portal: