No, PicsEngine can be installed on one domain. Nevertheless, PicsEngine can also be installed on the sub-domains. The domain name can be changed after the purchase. A new license is needed for any other installation.
Yes but all the websites have to be on the same domain name.
Yes, but the conditions above must be respected: if you want to install PicsEngine on your client website, this one have to buy his own license.
No, a license cannot be resold even within another application.
No, PicsEngine cannot be used if this one allow the visitors to create their own gallery.
A script checking the compatibility of your server is available to download. Upload the single PHP file on your website and execute it on your browser to know if PicsEngine will work.
There isn't this kind of service yet.
Yes