Friend system offers you a way to find some friends in POP galaxy for chat and team up. It always brings you more fun to play with friends. Every player can have a maximum of 30 friends and 30 foes in blacklist. Here are some introductions.

How to add friends:

To add someone into your friend list, you have two ways.
First open the Friend Interface, you can either choose it on the main interface by clicking the orange button, which is Community.

Also you can press the hotkey of Community--O to open Friend Interface. If you know the player's character name, you only need to press Add and input the name into the small box and confirm it.

Here player Lina wants to add player Fire as friend.

If the player you want to add as friend is just near you. You can just right-click him/her and then right-click his avatar to choose Add as Friend.

Then player Lina will see a message in Chat Box informing her to wait for reply.

In player Fire's interface, he will see this orange hint box asking him to confirm friend request from Lina. The hint box will disappear when the green bar is running out. Here player Fire chooses Confirm and then Lina adds Fire as friend successfully.

Then player Lina will see a message in the Chat Box.

If player Fire doesn't respond to friend request or choose to cancel it, player Lina will see this in Chat Box.

Now player Fire is on Lina's friend list. Once someone becomes your friend, you can see his/her location on map if he/she is online. You can have many choices when you right click on friend's name, including sending a message, teaming up, applying to joint team, delete, block, etc. Delete and Block option in right click menu equal to those in Friend Interface at the bottom marked in yellow.

However, Lina is not in Fire’s friend list yet. Player Fire needs to add Lina as friend to have her in his friend list. Here player Fire adds Lina as friend and she confirms it.

Player Fire will see a message in Chat Box. Now Lina and Fire become friends with each other.

How to delete friends?

If you don’t want to be friends with someone any more, you can just press O to open Friend interface, choose the player’s name and choose Delete or Put to Blacklist. Or you can right-click his/her avatar and choose Add to Blacklist. This has been shown before in the yellow marked section of previous picture. You can block messages from players you put into blacklist.
Here player Fire chooses to delete Lina as friends. He will see an orange hint box for confirmation in his interface.

After clicking Confirm, player Lina is no longer in player Fire's friend list. He will no longer receive her messages. Likewise, player Lina can delete player Fire from her friend list as well.