For tennis player: keep your match score.
* Live updates on web
* Undo support
* History of your matches in cloud
* Custom scoring rules
* Track only games if not interested in every point
* Total match time and break time
* Notifications for switching sides
* Integration with Sportzcast services (contact Sportzcast for creating account)
For coaches and parents: collect match statistics to analyze it. (Requires upgrade to unlock second set statistics)
* Forehand/Backhand
* Rally length (with charts for match details in history)