In the manual (link below) you will see that at the "Device is in Roaming" only support iOS and Windows but not for Android and Android Plus. Is it the truth or is it an error with the doc.?
https://www.soti.net/mc/help/v13/en/Content/Web/Rules/Alert_DevEvent.htm
Do we know what version of IOS this supports? If you look in web console you will see you can select "Device is in Roaming" for all device types even Android +
