https://simonwillison.net/2007/Jul/4/apple/
Optimizing Web Applications and Content for iPhone
Apple's iPhone developer documentation.
applications and contentoptimizingwebiphone
https://h5p.org/
H5P – Create and Share Rich HTML5 Content and Applications
H5P empowers everyone to create, share and reuse interactive content - all you need is a web browser and a web site that supports H5P.
create and shareh5prichhtml5content