Applock is a very good application for the Android phones.This is a very useful app for those who wants to protect their privacy from others peoples who can access their phones.
If we have some private chat or private message then it can restrict others from accessing the messages or chats.It can lock apps with one click and avoid access of other peoples.All the system apps can also be locked like the Google Play Store.Its very useful in saving your files from being exposed to an intruder.