You can visit this website to get more information:
Features & Utilities:
* Create, edit, delete gestures for phone numbers
* Set a "Pass-gesture" for the phone book
* Make marks on specific phone numbers
* Easy to use
How to use:
1. Enter the secret phone book:
Click the blue-button of the main page, or draw your "Pass-gesture" on main page's drawing board.
2. Add a friend:
Click the create button of phone book page.
3. Mark, edit or delete a friend:
click a friend at phone book page.
4. Make a phone call to someone:
enter main page, then draw a gesture of someone on drawing board.
5. Set/Change a "Pass-gesture" for the phone book:
enter main page, then click the menu button of your android phone, choose "Set/Change Pass-Gesture".
6. Delete/Change Pass-gesture:
click the Pass-Gesture at phone book page.
7. Reset Database:
enter main page, then click the menu button of your android phone, choose "Reset Database".