Concept

Homescreen The homescreen of the App should display a list of upcoming tournaments and a button to a tournament you are participating in. If you press on a tournament in the list, the detail view should open
Tournament Detail View The tournament detail view displays all the information about a tournament, like
The registration period
The maximum amount of teams
Preview pictures
A button for registering your Team if in the registration period
A button to view the stats of the tournament if it has been completed or is currently ongoing