The official application of Foursquare for Nokia received an update which brings new APIs to the system. Promise benefits are not clearly disclose as this is just an API update yet app stability and performance are expected to upgrade. Also you should take note that you cannot use the old Foursquare app after this month.
So, you have only few days left to use the said old app and keep your check-ins and mayor ships running. But don’t worry as the latest Foursquare app is already up for free download from Ovi Store for Symbian^3, S60 3rd and Symbian S60 5th editions devices.
Download: New Foursquare for Symbian.