What is the BlackNote Notepad Notes application, how does it work?

According to the introduction of Notas Notepad, BlackNote Notepad Notes is a Productivity app on the Android platform. There is currently a 2.0.8 version released on Mar 08, 2020, you can see the details below.

Black Note is the black theme's notepad.
It's the simple notes app.

Black theme relieves eye strain.
It's an intuitive and easy-to-use notes app.