After much waiting, here is a few minutes ago that Microsoft has released Windows Phone marketplace in the first beta version is Skype.
The final version of the application will be available starting in April, but starting today, all Windows Phone users can download a beta version of Skype from the marketplace.
Skype for Windows Phone allows you to make free calls and video calls using the network data from our end. Do not miss the chance to chat, view profile, or use our Skype credit to call land lines or mobile.
Here is video for Skype Beta for Windows Phone:
Skype is now available in WP Marketplace