SlamdunkNetwork is a social network that connects basketball players and enthusiasts and find the best competition for you. It allows you to get a great overview of who is playing basketball near you right now. The network is geo-location based and has automatic check inn/out on courts. You can also create a profile and set your skill level in 10 categories and share how good you are.
Note: The application is using background GPS updates in order to provide location awareness.Continued use of GPS running in the background can dramatically decrease battery life.