need to smartphone link karpovlab.com/2017 opened the video (it's worth forwarding on YouTube) in the mobile Youtube app. If there are such that offer to download from the store.
Interested in iOS and Android.
I point out the following page code index.html:
<meta http-equiv="refresh" content="0; url=https://youtu.be/vaujPAxZhZ8">
window.location = "https://youtu.be/vaujPAxZhZ8";
more in the code, nothing.