{"background_color":"#0f172a","description":"Learn to speak Traditional Mandarin. Say it out loud, one level at a time.","display":"standalone","icons":[{"sizes":"180x180","src":"/static/icon-180.png","type":"image/png"},{"sizes":"512x512","src":"/static/icon-512.png","type":"image/png"}],"name":"Kaikou 開口","orientation":"portrait","short_name":"Kaikou","start_url":"/","theme_color":"#0f172a"}