Our all Styled Themes support multi site including flat responsive. Our themes come with .pot file from which you can translate on any language. For this we refere you to use poedit. You can see this article for reference: https://make.wordpress.org/polyglots/handbook/tools/poedit/
I’ve find the file flat-responsive-pro.pot via ftp and I’ve installed on my pc Poedit.
What is the next step to do?
I believed that it was sufficient to install a plugin on my cms.
And then: on the site will show the flag with the languages to be selected from the user?
Excuse me but I need just that on the website which is online appear the flags of the languages and the user can select the desired language.
For the moment I want just do the preparation and later I proceed with translations.
How do I create .mo and .po file?