Social System，also known as the Friend System, contains the Friend List, Recommended, Flower/Egg, and Application List for players to checkout.
System function: Sending Stamina, receiving Stamina, Private Massage (aka PM), Check Equipment, and Delete.
1. Send and receive Stamina
2. PM, Check Equipment: Click on the friends tab to reveal the corresponding menu.
3. Delete friend: By clicking the “Edit” button, players can delete a friend contact who might be inactive for a long period.