"Hotspot 2.0 (Passpoint)" is an implementation that can be connected securely to an AP in a public wireless LAN, but the specification table of the Android device does not mention whether or not it can be connected to a Passpoint.
Since Android 8.0, the behavior when supporting Passpoint connection and the behavior when not supporting it became clear, so I created an application to judge whether the device supports Passpoint connection.
If Passpoint configurations are saved, its show on the application.