Chat Lock Protects Floating Message Apps Like Facebook's Chat Heads

Android: Facebook introduced a genuinely cool feature withChat Heads, but there’s one problem with it.

you might open it anywhere, so per-app security PINs aren’t very helpful.

Chat Lock fixes this problem.

The app allows you to lock access to floating message apps like Chat Heads.

With Chat Lock enabled, you’ll need to enter a PIN or pattern for access or send messages.

Chat Lock| Google Play Store