After installing lock,you will no longer worried about:1. Your private App will be opened by your colleagues or friends by mistake occasionally.A2. Your children will keeps playing games in your smartphone when you are too busy to stop them.3. Your significant business emails or messages will be read by your competitors.4. Your boyfriend or girlfriend check your messages.5. Kids of your relatives or friends take your phone to send messages.6. Hide your ambiguous message from others.

Feature:1. Easy to use:Click the lock button then the status of the app is being lock.2. Password hint:You can set a password hint.Once you forgot your password, you can get it back from entering the answer of password hint.3. Quick to open:You can open lock in notification bar.4. Prentence:A special calculator function which disguised your code keyboard as a calculator.You will enjoy an highly protection of your privacy.