dear Professor,
i have recreated this as a Google App
https://play.google.com/store/apps/details?id=com.ionicframework.blocktiltapp658507[img]https://lh3.googleusercontent.com/msZLnpOEOCj6clVltBy670PrjoWhVI8OxLpycQut4qhHVv_oeyzuIxYe7p1fOox1E0g=w300-rw[/img]

Enjoy!