All the application Source Code is downloadable from here
To Install & use the application you can buy or register for an hosting service and, using a FTP client,upload all the source code as it is.
Otherwise you can run your application locally using an application as MAMP, WAMP or LAMP.
Once you downloaded this application, you have to start your server by clicking on the provided button and then copy
all the source code (unzipped) inside the root folder.
At this point, using you web browser you can connect to localhost and enjoy the application.
For both this option, make sure that PHP is enabled and that you have a valid KEY for the APIs.