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Modern consumer electronic devices can easily integrate into distributed computing environments. By applying network-based user interface systems to control these devices, innovative applications become feasible. However, several requirements like high responsiveness and low bandwidth consumption need be satisfied. Particularly, to be applicable in wireless and mobile local and wide area networks, they must circumvent low available data rates and high network latency. We propose a new solution called RemoteUI, which works with abstract user interface (UI) descriptions and their prioritized, incremental remote replication. The system combines different approaches from thin client computing and widget based UI systems and is further optimized in the context of wireless networks and mobile consumer devices. To demonstrate the advantages of our solution, we experimentally compare the proposed RemoteUI System with Virtual Network Computing (VNC) implementations and an HTML-based solution.