Calculator Lock hide your photos, videos and other files in hidden space from other people with calculator password protection. It also provides other useful functions, including notes, video player, camera, etc. Keep safe your gallery and no need to worry when giving your phone to friends and relatives when this Calculator Lock app installed on your phone. You can access this hidden Lock by entering a specific PIN or password. Top Features: ☆ Hide Photos & Hide Videos : By Using Calculator Lock you can hide personal Photos and short videos or long movies with Password protection. you can easily manage your images or hide multiple images and videos by using folders. ☆ Restore images and video: if you Hide your images and Videos inside the lock, You can restore your files anytime whenever you want. ☆ Intruder Selfie : The app takes a photo of the intruder person who entered the incorrect PIN or password. ☆ Icon Disguise : Replace Calculator Lock app icon with Browser icon to disguise it from home screen. ☆ Secure Notes : Whether you want to create a list of secret things which you want to do, or write down your personal feelings, you can do with the ‘Notes’ feature. Useful QA: Q). How to use? A: Enter your specific PIN or password on calculator and press '=' button to open. Q). What do if I forgot my password? A: if you forget your password, Please Enter “11223344” in your calculator and press "=" button, then you can change your password by enter correct answer of security question. [Very Important] 1. Before Deleting App, Export and unlock all files. Deleting or Uninstalling App will erase all locked data and will lost forever. 2. Do not Factory reset your phone, it will remove application and its all data forever. 3. In case you forget your password you can reset it by entering 11223344 into our calculator and press EQUAL button. Permission Needed: Calculator Lock need All Files Access permission to encrypt your private images, videos, doc, etc. this permission will never be used for any other purpose. Happily you will enjoy this Calculator Lock app. Thank you. Have a nice day.