In Note List page、touch button to create a new folder.
New Folder settings appears.
① Type folder name or leave it blank. (If you leave it blank, a folder named "New Folder" will be created.)
② Select a color label (optional).
③ You can mark a folder with a star (optional).
④ Touch "Create" to finish.
To change folder settings after you created it, touch file count label of the folder on the Note List page.