Mobile apps seems like a different scenario though. Those apps are built specifically for a certain hardware/OS combination and are able to utilize the specific

Mobile apps seems like a different scenario though. Those apps are built specifically for a certain hardware/OS combination and are able to utilize the specific technologies it provides to do things far more involved than a mobile app could do. Here, it's literally just code that runs in a browser on a computer, just like a web site, so AFAIK there aren't any great advantages as far as the technology is concerned.