Board Thread:Game Discussion/@comment-68.144.203.120-20131108020444/@comment-11482499-20131108033857

"multi-session" => If you read that word carefully, this is already quite revealing on how it is done; any more specific than this and you would know exactly how to do it too.

Anyway, Mobage has closed that loophole (good thing too) so it can't be done anymore.