RefereeApp is the first module of the new SPORT 8 tournament software collection. The app was designed for referees to replace the paper forms, which had to be filled out via pencil. Points are counted interactively, just by a tap on the screen. The app automatically shows the positioning of the players and the next server. A clock shows time-outs and their end.The following sport disciplines are supported directly:- Badminton- Petanque- Table football / table soccer / fooall- Table tennis.Additional, arbitrary sports can be configured by setting a few parameters.RefereeApp in the free version operates only local and does not require any Android permissions.The Pro Version will connect to the SPORT 8 Server, being operated by the tournament managers. These modules are under development.