I just tried it on mobile in a browser, and it works the same there: edit your comment via the ⋮ menu in the top right, and select the text of the paragraphs you want to turn into a quote. Then a popup with formatting options opens where you can find the quotation formatting behind another ⋮ option.
I just tried it on mobile in a browser, and it works the same there: edit your comment via the ⋮ menu in the top right, and select the text of the paragraphs you want to turn into a quote. Then a popup with formatting options opens where you can find the quotation formatting behind another ⋮ option.