Does sound strange at a glance, but I think these are implicit references to what we traditionally know about applets: they generally required the full JRE JVM

Does sound strange at a glance, but I think these are implicit references to what we traditionally know about applets: they generally required the full JRE JVM install/plugin. So, it's advertising that this is no longer required, and that they haven't achieved it with any server-side tricks.