Latest Google Search App 1 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 15; SM-S931B Build/AP3A.240905.015.A2;) AppleWebKit/609.1.15 (KHTML, like Gecko) GSA/1 Mobile/15E148 Safari/604.1 GoogleApp/1 OpaScreenful/0 Android 15 Galaxy S25
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7_3 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.2883.77 Safari/537.36 GSA/1 GoogleApp/1 OpaScreenful/0 iOS 18 iPhone