Hi Dwright,
we're having trouble with the adobe_mc parameters in webviews to get the ECID in Android, this is an example of the parameter passed to the webview URL:
TS%3D1660981679%7CMCMID%3D67579004973751132215752525457293482498%7CMCORGID%[...]%40AdobeOrg
where on iOS we have it decoded:
TS=1...