Notes: notepad and lists organizer, reminders is a free application for your Android device. The app is very simple to use, so even if you don't have any experience with writing, you will not have any problem using it. You can write text, draw lines, circles, and arrows, and use the pen tool to make a sketch. You can also use the eraser tool to erase mistakes. The application also has a notepad function, so you can write and save the notes you want to keep. You can also use the voice recorder tool to record the sound of your voice.