Saving High Score

Hey guys it’s me again, this time inquiring about the high score. 

I’ve been looking around and I can’t seem to find a tutorial on how to save the high score, that seems to fit what I have. And I’m hearing a lot about json but I can’t seem to find a tutorial on how to use it.

So essentially I’m looking for guidance and links for how to use json and the most basic way to derive a high score value from a score value and save it.

https://docs.coronalabs.com/tutorial/data/jsonSaveLoad/index.html

https://docs.coronalabs.com/tutorial/data/jsonSaveLoad/index.html