The app is an essential tool for reading e-books, and has a user-friendly interface that makes it easy to use. You can customize the fonts and colors, adjust the text size, and even choose between different text styles.

You can also highlight the text you want to read, and the app will keep the notes for you. If you want to make the content easier to read, you can change the color and opacity of the text and background.

If you want to add a note to the page, you can do it by tapping on the button at the bottom of the screen. You can also use the button to go back to the previous page, and the button at the top of the screen to go to the next page.

The app also has a zoom function that you can use to make the content easier to read, and you can use the pinch-to-zoom gesture to zoom in and out.

The app also has a table of contents function, which will help you to find the content of the book more easily.