Memo memo can be entered into the note and make a note with the widget.
Each memo can be meticulously managed using the lock function.
Check the menu in the app for how to use the widget.
* App permission permission guide
The memo notes app guides you to use the permissions. (Andorid OS 6.0 or later, you can disallow the permission through the Settings app.)
-Storage space (option): Save as a file in the mobile device for backup and restore management. It is an optional permission, so there is no problem in using the app.