New Feature - Previous button
A new feature is added at November 5th, 2019.
You can now go back to the previous page until you submit your answer.
You can now go back to the previous page by pressing the left arrow button at the bottom of the form. The previous button can be hidden in Settings. Please note that once you submit your answer, you will not be able to go back to the previous page.
The button design has also changed. The color of buttons and button text can be changed in Style.