The PS4's built - in gameplay recording options will also be disabled if you select High. (howtogeek.com)
«With this new service, our members will be able to visit Nintendo's website and log in with one ID, and they will receive various services including the ones based on their past purchases and gameplay records as well as services that will be an improved version of the current loyalty program.» (gameondaily.com)
It works a lot like the background gameplay recording features on Xbox One and PlayStation 4. (howtogeek.com)