How do I add a friend in person using the Send a Tune feature?

To add a friend in person using the Send a Tune feature, you can follow these steps:
 
❶ Select Social.
❷ Select Friends.
❸ Select Search.
❹ Select Send a Tune to use sound to add a friend in person.
Then, with another player, determine who will select Send Tune and who will select Receive Tune.
 
■Send Tune
❶ After confirming that the other player has selected Receive Tune, select Send Tune.
❷ Once the other player has received your tune, select Receive Tune to continue. When you successfully receive the other player's tune, their player information will be displayed.
❸ Review and accept the player information to become friends.
 
■Receive Tune
❶ Select Receive Tune. When you successfully receive the tune, the other player's player information will be displayed.
❷ Review and accept the player information to send a friend request.
❸ To continue, you must send your own tune, so please tap Send My Tune.
❹ Once your tune has been sent, tap Finish.
❺ When the other player receives the tune and accepts, you will become friends.
 
Note:
• The Send a Tune feature works best in a quiet setting.
• If the Send a Tune feature fails, please check your smart device's volume as well as the speaker and microphone placement.
• Depending on your smart device's compatibility, the Send a Tune feature may not be possible.