Mobiles have javascript by default, hence html5 popularity for mobile games(made with javascript)
Android OS runs on java but the web browsers on the devices you look at webpages with runs javascript, html, css etc, hence you can see webpages on the phone and play html5 games within the browser, different from apps deployed as standalone.
Android OS runs on java but the web browsers on the devices you look at webpages with runs javascript, html, css etc, hence you can see webpages on the phone and play html5 games within the browser, different from apps deployed as standalone.