- Lock any apps such as Facebook, WhatsApp, Photos, Call, Contacts and Browser to protect your privacy.
- The safest and fastest app lock for android.
- Lock gallery, messages, email,browsing history and call history.
- Prevent your children from buying unwanted apps and games with AppLock.
- No one can find out your secrets and privacy.
- Super kernel,take little memory, very fast and no disturb.
- Give you most powerful protection.
- Support all devices.
- Absolutely free.

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.