Sichimi will help people who want to hide call or message from a specific person, such as another girl or boy friend.(?) If regist phone number, Sichimi will manage separately calls and messages from that phone number. Sichimi would definitley be useful to cheating. *Not support MMS. Features seperately managing calls and messages from a specific person set password and fake password notify on taskbar when new message received, also sound and vibration issue to improve improve lock partially support MMS change log1.9 small bug fixed1.8 small bug fixed improve lock1.71 small bug fixed1.7 improve method to input password1.6 fix bug about call waiting1.5 support move message from default message box small bugs fixed1.4 support photo in contact1.3 improve missed/unread call/message mark. possible to use system sound as notify sound1.2 improve missed/unread call/message mark.1.1 improve checking phone number1.0 The first announced official version.