I’m not really a fan of foursquare or geotagging but the plugin was installed.

Places (with Image + Description)
Types of Places and Place Tags
geoRSS Support (for places)
Favorite Place Widget
Recent Places Widget
Map Options per Place + Geo-Tagged Post
Support for Native Mobile Applications
Ability to Geo-Tag Posts (if using Mobile App)
gPress Options Page with Component Control
General Map, Brand and Credit Settings
Custom Heights per Place, Post and Widget
geoRSS Support for Geo-Tagged Posts
Extended geoRSS Support for Place Info
Custom Markers per Place, Post and Widget
Shortcodes and Inline WYSIWYG Text-Editor Assistance
Multiple Places in Single Map (via Shortcodes)
Marker Clustering for Maps with Multiple Markers
Foursquare Integration (view Friends + Your Locations)
BuddyPress Integration (Geo-Tagged Sitewide Posts)
BuddyPress Front-End Geo-Settings Page
BuddyPress User Profile Locations
Foursquare Sidebar Widgets
Check for CSS, PHP and JS in “custom” Folder
Complete Customisation of Language and Lingo
Automated Language Selection via WPLANG Definition
Introduced Front-End BuddyPress User Options Framework
Introduced Easy WYSIWYG Styling Module
Easy Browsing (PC) and Upload for Custom Markers
Add User Location (BuddyPress Only) at Sign-Up