Crosswalk App 21.0 For more information, please visit the following pages:Crosswalk AppIntel CorporationBlinkLatest user agents:Mozilla/5.0 (Linux; Android 9.0; SM-G950F Build/PPR1.180610.011) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Crosswalk/21.51.546.7 Mobile Safari/537.36 fxpapp