AppLocker | Cleaner , Applock , Booster , Cooler is a smarter and safer android app locker, which guards your privacy security with private vault, safe lock screen, hide icon.
AppLock can lock Facebook, Snapchat, Whats app, SMS and any other applications you want to lock. Provide you a privacy safety guard!
Feature Highlights:

Antivirus - Android antivirus protection & security solution with virus cleaner
Powerful Cleaner - remove junk files of all kinds, including stubborn ones
Phone Booster - Speed up mobile phone to make it faster than ever
CPU Cooler - kill overheating apps to keep CPU temperature down
App Lock - Lock up private apps using password/pattern
Notification Cleaner - Gather and delete junk notifications
Battery Saver - Extend battery life effectively

Phone Cleaner -Free up Space
App lock will remove junk files, watched videos, obsolete audios, and useless pictures with your permission. App lock helps free up your phone space immediately.

Battery Saver – Extend Battery Life
Stop restart apps to save battery power and extend battery life.

App Lock
App lock supports app locker with fingerprint lock, password lock, pattern lock. With the app lock feature, App lock could lock as many apps as you want, such as the safe gallery, contacts, Facebook, WhatsApp, Instagram, Skype, etc.