[https://app.cinny.in WebappCinny] [https://misskey.io Misskey Webapp] there is '''Install''' below the desktop website. it should install a web app into android which is run on firefox and chrome support it. the cinny one fail but it will add a shortcut which is acceptable. but the misskey one will just fail. '''btw''' the notification in chrome of webapp is broken but firefox does the work, excellent~