Under the hood there is, but in terms of the devices that consume the wifi connection, they are not concerned with any of this so long as the connection follows the normal protocols. So yes, you can connect the PS4 or pretty much any other device that uses a normal wifi connection to a wifi hotspot created using a smartphone.
can’t connect ps4 to wifi | AT&T Community Forums Dec 04, 2018 Fixed Computer can’t Connect to WiFi - Recoverit When computer can't connect to WiFi, it can become frustrating because it will affect some daily work. However, using some simple troubleshooting techniques can solve this problem. WiFi is to use the internet connection through wireless medium, and is the most preferred method to avail internet services when one is in a public place. Why cannot I connect to the secured wireless network of
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Anyone uses a WiFi extender for their PS4? : PS4
can’t connect ps4 to wifi | AT&T Community Forums Dec 04, 2018