★ Launch Keyboard in Incognito Mode
This allows you to input text without leaving a conversion history.
You can turn off this setting if you prefer.

★ Hidden Folders
Hidden folders will not appear in the folder list.
You can access it by typing its name or the passphrase on the search page.

★ Backup and Restore
If you change to a new smartphone or have a sudden device failure, you can easily restore your notes via Google Drive.