Foursquare 22.214.171.124 for Windows Phone
Foursquare 126.96.36.199 for Windows Phone - Foursquare helps you explore the world around you. Keep in touch with your friends, have fun and earn tips, discounts and rewards. When you're on the road, you can easily tell friends where you are, share pictures, get their comments and receive tips for some places of interest. In many places offer discounts and gifts to users foursquare, and you get points and badges for what you like.
screenshots of Foursquare
Windows Phone: INTERNET / Social Networking