Being in a team gives you the opportunity to communicate and give/ask for lives to teammates. You can create or join a team after reaching level 21. A team can have up to 50 members. You need to have an active internet connection to access teams. 

How to join a team? 

• Go to the Team tab on the home screen
• You can either "search" for a team or click on "join" to enter a team

How to create a team? 

• If you already are in a team and want to create your own, first you should leave your current team
• Then you can go to the Create tab, and fill in the details
• Creating a new team requires 100 coins