http://v236xhqtyullodhf26szyjepvkbv6iitrhjgrqj4avaoukebkk6n6syd.onion/t/a-draft-research-paper-about-snowflake-comments-welcome/9585
There may be other ways to do that—you have a good point about apps (and Orbot is the #2 source of proxies, as Figure 5 shows)—but the important dinstinction is not browser vs. app, it’s browser vs. the status quo of Tor bridges, Shadowsocks servers, SOCKS proxies, etc.: running some server software on a long-term VPS. I think it’s important to lead with the idea that the lifetime of a client does not have to a subset of the lifetime of a proxy.