> Why would a game developer use a Chromebook or an Android device?
Because they are usually a lot cheaper and more accessible worldwide.
As an example, a market we've identified is educational in US, there's millions of Chromebooks out there gathering dust. If you are an educational user, this could open a lot of doors.
> The second point applies more or less to an Electron app, too.
Yes, we are planning on distributing desktop builds via Electron. First phase is in browser only as there's a little bit more to prepare before we can release downloadable builds. Is that what you mean?