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More researches are usually based on "one audience" and one Interactive TV (iTV) service. It is fewer to consider multi-user interaction in a local environment. A framework MVC-iTV grounded on distributed computing is proposed in this study, which effectively utilizes external displays (TV or projector) and provides multiuser to execute varied remote operation with their handheld devices in an iTV system, without any locating process. The experiment result has indicated that the proposed framework is applicable to iTV service and the audiences can operate the service together in any visible environment disregarding the different category of display appliance.