6tin, for those that didn't know, is an unofficial Tinder app for Windows Phone developed by Rudy Huyn. 6tin was just updated to version 126.96.36.199 and brings along with it a refreshed user interface, new login screen, and improved common friends detection. The app is free and you can grab it from the download link below.
"6tin is the first full featured Tinder app for Windows Phone (previously named 6tindr) Tinder is the way everyone is meeting new people. We find out who likes you nearby and connect you with them if you're also interested," the app description reads, for those curious.