It can be adjusted. According to the related information of Superstar Mobile Library app, the font size of Superstar Mobile Library app interface can be adjusted. Superstar Mobile Library is a professional mobile reading platform specially built for readers. Readers can complete personal borrowing and inquiry, collection consultation and the latest information browsing of the library on mobile devices. At the same time, the platform has a large number of e-books, newspapers, Chinese and foreign literature metadata, supports publishing reading notes, records reading experiences, and provides convenient and fast mobile reading services.