Thank you to the folks at Troypoint for the guide on installing Xfinity Stream on an Android device. The download was flawless! There was also a warning the stream app may not show in your app listings. Bingo!
I am using a Dynalink AndroidTV box (I think it has since changed its name).
Drawing on the collective knowledge of this group, and without getting to deep in the weeds, is there a fix for something like this?
Thank you!
Hoping to get an APK to use my Xfinity cable service on another tv with my Nvidia Shield. I heard that there was one for the Firestick. Can some provide a download source please and thanks in advance.
What download link or source did you use?
I went through this with someone on FB a few months ago, and this is what I did to get it to work and posted for them.
Xfinity app on Onn
Not sure how you are going about it. In downloader put in APKMirror, and hit go, then scroll down once the page loads and it is probably about the third one. click it then, top right search, Xfinity Stream and the enter/arrow button bottom right of keyboard, when it loads the first one should be what you are looking for. Click it it will load a new page. scroll down and you will see a black button that says scroll to available down loads, click it another page opens. Scroll down and on the right you will see under Variant a number with APK after it. click it, a new page opens scroll down and close the bottom you will see a black button download apk, click it and a verify you are human page comes up wait for it and click the square. It should finally ask you if you want to install.
I have projectivy launcher and since it is not a google tv app it puts in mobile apps. Not sure where it will put it on the regular google tv home screen.
When you find it open and it will tell you where to activate it.
I used this link. and it worked for me. You will add the code. I did not try the Qr code scan.
Thanks and I will give this a try.
Thank You!!! I was able to install Xfinity Stream on my ONN boxes. The biggest problem I have now is the Xfinity icon is a circle, the other projectivy icons are ovals! 
Thank you again!