System and method providing user interactivity across a network

A method for providing user interactivity across a network, the method comprising:

• transmitting, from an application server, a droplet for an application to a client computer across the network, the droplet establishing a communication connection to the host computer via the network, the application executable on the application server;
• receiving operating environment information from the client computer and invoking the application on the application server based on the operating environment information;
• sending presentation information to the client device for presenting the application and application-specific information on an output of the client device;
• receiving, at the application server, an event message representing an input from the client device using the application, the application generating data values based on the input in the event message and presentation information;
• transmitting the presentation information to the client device and updating the client device display using the presentation information;
• and
• generating and providing an interactive link from the application server to the client device, the interactive link stored on the client device, the interactive link for selectively re-establishing the communication connection with the host computer and re-establishing the client device display of the presentation information.