Powerbuilder application Invocation

I have a Powerbuilder application which I want to implement in the following fashion. The application exe will be implemented in the server. The application will NOT be installed in the client machines. I am looking for a mechanism whereby by clicking an icon in the client machines, the user will login into the application and operate. The principal requirement is that the Users should not see / have access to the contents of the Application folder. Through a simple network shortcut, accessing the application is possible but the problem I am facing is HOW to shield the application folder contents from the users. Simply put, I want to invoke and run the Powerbuilder application residing the server from a client machine.