Strange Journey has a similar, perhaps the same, Issue as some Etrian Odyssey games due to how they render text. Been a while since I played EO so I don`t remember issues there, but in SMT it happens on both native and 2x in various parts, and it`s noticeable as soon as you start the game with the `Licenced by Nintendo` text.
Text is affected differently in various parts in either resolution, here`s the menu:
1x
2x
Here's an example on Desmume for reference:
