I think it is worthwhile (for now) to limit ourselves to the most common resolutions for 16: 9 monitors. Namely 1080p, 900p, 768p, 720p. If necessary, I can also help with testing.
great to hear! I'll see if I can't get a prototype out before the day is over. An email I can use to contact you? You can mail me at ThingOnItsOwn@gmail.com
ttsan@yandex.ru (don't subscribe me to spam mailing only). If possible, then compile the game immediately in 64 bit on Windows and Android. GameMaker seems to be able to do this out of the box, as far as I remember.