Location based checkin services are the hottest mobile apps and the competition is really cranking up. The main players are Foursquare, Gowalla, and Yelp. Each company has a mobile application and they are all supporting the Android platform. Update: I totally forgot about Brightkite which also has an Android app. My apologies. Foursquare was the first to join the Android party when they released an app last summer. It appears their Android dev team is small, but several updates have been released including a newly added widget. Their Android app has been downloaded 10-50k times and it is reported they have 290,000 total users. Yelp published...


























