Is there any tutorial? I made some apps in HTML5 but I don't know how to "compile" or transform this code to obtain an Ubuntu Mobile App.
Thanks for your help.
HTML5 as a core Internet technology is an alternative to the native QML applications and do not integrate that well into Ubuntu. HTML5 apps could as I know also developed for the Ubuntu Desktop OS. The hint you are looking for is "Unity webapps".
Have a look at http://developer.ubuntu.com/resources/technologies/webapps/.