Foursquare is the social media site where in you’re telling your friends where you are in the city. Now, foursquare has an application for Windows Phone 7 user but it is on Alpha stage.
As per touchality consider this to be an alpha release, even though everything works, but mostly because we need to clean up the code to follow standard patterns and best practices for Silverlight and Windows Phone 7. When you only have a few weeks to get the application done “Copy and Paste” become your friends. Look forward to a much cleaner release soon.