I lost my account

How do I link my guest account?

How do I know if my account has been linked?

I want to delete my account

I want to log in with another account.

Can I retrieve my account after switching devices or reinstalling the game?

I lost the email address I linked my account with!

I lost my password.

I lost the linked Google account.

How can I check my JOYCITY member ID (Joyple ID)?