This app was mentioned in 3 comments, with an average of 3.67 upvotes
Foursquare has shaken things up in the last few years. They've seperated out the discovery and gaming features into two different apps now. Foursquare is now a place/ratings discovery app (a'la Yelp) and Swarm is their gamefication app (edit), and as /u/musiquexcoeur pointed out, that's where Mayors live now.
I originally wasn't that fond of it, but as both apps mature, I've grown to really like both apps. And, if you're in FS, there's a button to take you to Swarm to check in now. Not necessarily a one stop solution, but it helps.
Here're the links for Swarm: Swarm for iOS Swarm for Android
I have left my feedback here: https://play.google.com/store/apps/details?id=com.foursquare.robin
How about Swarm? https://play.google.com/store/apps/details?id=com.foursquare.robin