Thats a very important piece of information missing on the website. We will soon put it there. In the Meanwhile i would like to guarantee you that Hi-Framework runs on each and every Servlet and Java EE container. You can even run Hi-Framework with embedded containers like tomcat and jetty. That's because Hi-Framework is built on top of Java EE standard APIS.
Regarding browsers support, I'm pretty sure You can trust that it works with IE11, IE12 and of course, Microsoft Edge.