https://docs.godotengine.org/en/latest/tutorials/rendering/multiple_resolutions.html
The document doesn't mention the window size for pixel games for android. It only says to use either 1280X720 or 720X1080. Hence, I'm confused about this one.
Right now, I'm following the window size of desktop pixel games (640X360). I was hoping it will scale to 1280X720, but I'm still not sure.
It can be whatever size you want. I would advice allowing it to scale to any aspect ratio and device resolution and just use some sort of scaling (like stretch mode viewport) that way it will fill the screen.
cybereality
Does it scale automatically or do I have to add a script?
For info, this is my settings:
It will scale, but you have to adjust the settings so it looks right for your game. The details are on the link you posted.