Answer 1

On a phone, you can scroll down in the lesson page and tap the number of comments and it will take you to the comment section. In a quiz, when you answer the question, whether correct or wrong, it will show you how many comments there are on that quiz. When you tap that number it will take you to the comment section of the quiz.
You get the “Good Citizen” bage when you leave a comment on a lesson or a quiz.

Answer 2

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