A free app for Android, by NeptuneStudio.

Suwy is a convenient, simple, and fast way to take notes and organize your thoughts. It allows you to create notebooks with different colors and tags for different types of notes, such as shopping lists, school assignments, memo, or anything else you want to write down.

It is perfect for anyone, especially students and teachers. Teachers can easily create notebooks for their students, and students can keep their study notes organized and easy to find. It is also great for writers and artists to keep their thoughts in mind, by writing on this app.