: Ensure you have "Install from Unknown Sources" enabled in your Android settings to run the APK.
Are you trying to get this working on a , or
: This site hosts the exact 5.200604.2138build-7.3.021 version you mentioned. It requires Android 8.1+ and is designed for arm64-v8a devices.
You can download this specific APK from reputable GCam hosting sites:
