Purple Applock - Keep Your Apps & Privacy Safe
Add an app lock to your apps and set a password that only you know
One-click connection to a fast VPN to help you protect your privacy and security
Free App Locker for Android

Features of Purple Applock:
Free VPN service with servers in many countries around the world
Strict no-logs policy
When entering for the first time, set the app to unlock the universal gesture password
Lock contacts and pictures
Keep any app you want private
Hand over your phone to anyone with confidence
Keep your files and text messages private

Purple Applock - Just select the apps you want to keep private, no one can access your selected apps.