Text file based note taker

Simple note app saving notes as text files.

This note/memo app has the following features.

* Storing notes on simple text files and directory structure, It is flexible to cooperate with other apps or environments.

* shows content of notes in the grid view. You can configure the number of grid columns.

* You can open notes with other external text editor from notes context menu.

On Android 4.4 or later, you might not be able to use the directory on the (not built-in) SD card.

== Importing your text files ==

Just put your text files in the directory you set as "Directory of notes".

character encoding is utf-8 , line feed code LF , extension ".txt".

This app makes directories of one hierarchy as categories. The app can read or edit a text file put in deeper direcotry, but only first level directory is recognized as a category.