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This is our calculator example.  This is a web based application designed to look exactly like the Windows calculator.

That's very nice but what's really going on here? 

Every time you click on a button here it transmits that information back to our server where the real Windows calculator is running. The corresponding button on the Windows calculator is then clicked.  The result is calculated, captured then transmitted back to this web application.

Now imagine what we can do with your legacy application.  The possibilities are endless!


Don't like your old user interface? Then change it. 
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You're free to redefine it any way you like.  Add functionality or subtract functionality as needed.  You can simplify the inerface or even combine it with additional data from other applications.  Notice the "1/2" key.  This is new functionality we added that did not exist in the original UI.