Lockdown Pro is the BEST AppLock & Private Gallery, it supporting more than 30 languages. Lockdown Pro: Top 5 App of year by XDA-Developers.com. Features: AppLock: lockdown any apps. Private Gallery: Hide pictures, videos (support. gif image). Three password modes: Pattern Lock, Classic Lock & Calculator Lock. Supported Fingerprint for Samsung devices and some devices running android Marshmallow. Smart lock: Auto lock/unlock with smart watch, car or use address wifi, location. Observer: Send email with some info and pictures of the person who wants to access your phone. Fake cover: This feature will fake a crash dialogue cover when you open an app that has been locked. Backup & restore registered apps to Google drive or sdcard. Random keyboard password. Time pin password (Ex: If the time is 13: 12, your PIN will be 1312). Themes store (so many beautiful themes with Material design for your choice). Screen timeout: The screen will never turn off when running registered app. Auto-Rotate: The screen of your device will not auto-rotate when running registered app. Hide app icon (Remove Lockdown Pro icon on App Draw & Home screen). Easy to use, beautiful UI with Material design, ripple animation.