With a simple touch on the screen each point, you have the score at your wrist. Synced with the cloud, bystanders or club overviews can be shown to follow your match progression in real-time. After the match is over you can have a look at some match statistics too.
The standard Apple Terms of Use (EULA) apply and can be found at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/