Not for US region, they have different App. This is about those EU countries whose are listed here: http://hbogo.eu/
New Android TV app popped up in play store, but currently no device is allowed to install it:
https://play.google.com/store/apps/details?id=eu.hbogo.androidtv.production
Screenshots are looking completely different from the old, leaked 0.0.59 eu.hbogo.androidtv.5 version.
https://i.redd.it/tibv45cyer021.jpg
Lets hope for the best. LG webos devices also go update (icon with dark background), so they are able to log in with direct HBO GO subsctiption, not just with accounts from cable providers.
It's available in Nordic countries and Spain now, targets 8.0 and up.
https://swedroid.se/hbo-nordic-utokar-med-stod-for-android-tv/
https://www.avpasion.com/hbo-disponible-android-tv/
https://androidpctv.com/hbo-nordic-app-androidtv/