Yes...It shows in my Binge+ Box ..I am getting Dolby 5:1 audio in Prime video, Disney+ Hotstar,SUN NXT...Didn't checked in other Apps..You mean without chromecast..you are getting dolby audio? Directly in Android TV app
i have another Android box too I didn't checked ...Later will check there too..
Didnt installed in my UHD 4K Android TV...