SafeFM app is a file manager, you can setup password to protect your privacy.
App - Homepage - Menu on nav-bar - Settings -> Reset Password.
If you forgot your password, please don‘t remove/uninstall this app, you can mail to me: xappbox+sc@gmail.com
Please don’t worry about privacy leakage, all files are only stored localy on your device.
There are multiple ways to import and export files, and it is very easy to use.
Select - Share - Save Images or Save to Files.Albums - More button with red color - Wi-Fi - Start button.