Secret Calculator is a great privacy protection app to easily hide photos, videos and documents you don't want others to see on your Android device. Hide Photos, Videos and Documents - Calculator Safe keeps your photos/videos safe and private with File Cabinet. You can import your private images and files into this secure repository and nobody knows about them except you. In addition to saving and hiding, you can make a backup so you don't have the problem of losing your images and documents. Saves to both your Google drive account and Dropbox. This app is continuously being improved and we are working hard to provide the best experience. If you have any suggestions or find a bug, please email [email protected]. Thanks! The app is free. Use it and, if you can, rate us with 5 stars.