This app was mentioned in 3 comments, with an average of 1.00 upvote
You could geotag data with https://play.google.com/store/apps/details?id=org.warmixare or https://play.google.com/store/apps/details?id=org.warmixare2. The W.A.R party screen should have lat. and long. Also the [Find] button on the default geotag page will have coordinates.
Also see social networking in augmented reality with https://play.google.com/store/apps/details?id=org.warmixare
Point well taken and by design, my Widespread Augmented Reality network on Android only is not for girls at the club unless they are super secret agents. https://play.google.com/store/apps/details?id=org.warmixare