Hidden Messenger as Calculator

This isn't just a calculator. It is a messenger hidden in plain sight! By entering key sequence "123+=", you will go into a private message space. The key sequence can be changed in your custom setting. If you set callers' phone number, their incoming SMS, MMS and calls will get privacy protection from all the privy eyes as well.

NOTE: MMS by default is disabled. It can be enabled in custom settings. It does not have delivery report to send a MMS. Please CONFIRM with your provider that MMS does not incur extra charge.

If you are reading this, you may already know the importance of protecting your smartphone privacy. Police and airport security can now search your smart phones without warrant. Phone passwords and security features can be easily defeated. Someone may borrow your phone for emergency calls. You friends, and family may check your phone messages without your permission. You may lose your phone..There are so many scenarios where you are not in possession of your phone. Now it is time to protect and lock your personal private data, hide your text or picture messages, call logs and records, and secret!

Alterações recentes:
1. Fixed MMS some bugs.
2. Fixed forced close by direct input "+=" bug
3. Export contacts SMS to a TXT file ( in the contacts's sms page, press the Menu button will see this options)
4. can edit the contact name.
5. canceled tactile feedback on the calculator interface.
6. Support  German （ Thanks   fabian.jena ）
7.Fixed a force close bug.