Material Notes: Colorful notes is a Simple solution for those who often forgetting something. These notes are not only comfortable, but quite versatile. You will be able to choose the colors that would distinguish them by their importance or to distinguish a specific category of notes. Also, for the safety of your data, you will need to confirm access code, and this means that your data will only be available to you. In General, the application is quite simple and does not consume many resources of the smartphone, which makes it unique.