I like how they increased the text size and put it in bold, that would make it easier for when in portable mode to read.
Other than that the only other difference I can tell is that PS4 cutscences seem to be more saturated although it's definitely probably just to do with the way the video's been captured it's been heavily noted that with Switch you need to change the settings to full rgb instead of auto or limited for the colors to not look 'washed out'.
This video details the the difference:
https://www.youtube.com/watch?v=zIiijEKOFtU







