App Name: Hexlock [Android App]
App Market: Download Page
Hexlock is a 100% free app locker that protects privacy and secures apps with a password to prevent unauthorized access. Users can create up to six unique profiles to cover every situation (work, parental control, etc.) and activate them automatically when connected to a known Wi-Fi.
The newest version has a new feature called Media Vault that lets users protect their photos and videos in a locked private file.
• Parental control: you can give the device to your kids and they will not buy games or delete important folders without you knowledge
• Shared devices: you can create separate profiles for shared tablets at home
• Protection of social networks: you can lend your phone to other people and not be worried that they will check your Facebook or Whatsapp
• The app cannot be uninstalled by others
• Self-activate feature when you change networks
• Secure Pictures and Videos in the Media Vault. Hide private files.