Just read its website and the related Wikipedia Article, it’s kinda different but in a good way. I don’t think I’ll switch though because it’s still based in Chromium, monopolized by Google.

Don’t think many. Also because writing a browser from scratch (and make it usable) is a very very complex task

Even though Archive Team is unaffiliated with the Internet Archive, the way you access the archived content is still the Wayback Machine, part of the Internet Archive. Correct me if I’m wrong.

Source

I’m trying it right now in my smartphone! The design looks better than Jerboa, now I’m testing intuitiveness and ease of use