If texts of course titles are not using correct Japanese/Chinese/Korean font on iKnow! app, please add the language in device setting.
・Text font on iKnow! app
Item and sentence text are always using correct font. However for course title texts, it depends on your which font is picked for them. So please add the language you are studying in device setting.
*e.g. ) Even though you don't add neither Japanese nor Chinese, Japanese study course title is shown with Chinese font.