I'm not having trouble creating pages via the flag icons on your site. The "Title" field is always there. There were some database errors that were preventing new pages from being created, but I have already applied the fixes to the appropriate parts of your database.
It seems, though, that there is a problem with the XenForo templates for translation. Not only does it not say "Translating Page" at the top, but it is missing the form field that actually connects it to the original page. So after saving the new page, it is not treated as a translation. This works properly under vBulletin, so the behavior is limited to XenForo installations. I am looking into it now.