How to use Cloud Shift
Assume that there two users: (1) ID: shia, Nickname: Shia (2) ID: lincyu Nickname: Kimi
Shia executes Account Setting and registers an ID called shia.
Kimi executes Account Setting and registers an ID called lincyu.
Kimi edits his calendar and upload it to the cloud by executing Cloud Shift.
Shia executes Friend Manager and search lincyu (Kimi should tell Shia his ID.)
Shia waits for Kimi's response.
Kimi refreshes his friend list and finds Shia's invitation.
Kimi accepts this invitation so that Kimi and Shia are friends with each other.
Shia can find Kimi in the main page.
Shia can download Kimi's calendar now.