Alright, the limitation says a 128 by 128 window size. Does that mean that the window can't be scaled to fit the display? It has to stay at 128 x 128?

Same question here!

I'm trying to make something in Bitsy, and when I tried it out, the words are too small to be readable, silly me. oTL

I'm working on a 128x128 canvas but developing the game at 512x512, and can toggle between the two with a key while the game is running, I'd recommend it.

The Game can be scaled up to be as big as you want it, BUT, the in game grid size must be 128x128