How to invite friends to the game?

For every new friend (who has never played the game) that joins and levels up you can receive free energy!

Here are the steps:
1. Launch the game,
2. Navigate to the 'Team' tab,
3. Tap 'Friends',
5. Select 'invite' at the bottom,
6. Send the invite out via any method of your choice,
7. Once the other player opens the link you will be added on each others friends list.