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Cellular phones have become popular and have been recognized as light-weight portable computers because of their various advanced functions such as E-mail, WWW browsing, and schedule management. However, since they are too small to display a large amount of information, users cannot make use of them as conveniently as normal computers. To solve this problem, we propose a remote display environment. In a remote display environment, there are large displays every- where in the real world, which we call remote displays. A user makes use of a cellular phone as a remote controller to display information on a remote display. We also describe our implementation of a WWW browsing system as an application in a remote display environment. Moreover, we describe our design and implementation of an access control mechanism by assuming applications in which multiple users simultaneously access one remote display.