A free app for Android, by Mini Apps Games.

 Simple Notepad is an easy-to-use program for adding and editing text notes. If you need to take a note, you can utilize this app. It is very straightforward and simple to use.

If you have many things to do, you can just open a notepad, create a list and change the color once done.  You can choose different colors for each of your tasks so you will know which one needs to be done first. This way, everything will be organized. 

Other things that can be done are to create, modify, and remove notes. Each note can be sorted by date, text, or color. This app also offers a simple design.