Using Ionic for an Android TV app

Hello, I try to build an app for Android TV but I face different issues.

I want to play a video (from a link, not from local storage) but it doesn’t work.
I tried different way:

<ion-button href="https://xxxx.com/images/5/Lm6X1PK10ue1.mp4">Open Video</ion-button>

with this I get the error “You don’t have an app that can do that”

<video width="320" height="240" controls>
        <source src="https://xxxx.com/images/5/Lm6X1PK10ue1.mp4" type="video/mp4">
 </video>

and here, it works on the virtual machine but on the tv, I only get a empty square.

but both way works on a smartphone.

Other issue, I also can’t open a link (https://…). I also get the error “You don’t have an app that can do that”