The paper describes a method by which we can use mobile phones with 3d accelerometers like a wiimote allowing users to interact with games on a whole new level. This idea also seems to have inspired Nintendo as they plan on releasing the next remote that is a screen and classical controller merged with the wiimote. They are using a framework dubbed poppet in order to interact with larger screen games than are possible on a phone. The framework uses the Symbian sensor API to access devices available via hardware and bluetooth. The platform runs on using a socket to communicate with a c++ application that sends messages to the socket on callback. To communicate with the wii the system uses accelerations to determine movement but does not know a 'front' since there is no infrared sensor. The system works with pc's by using the was implemented using the Franson Bluetooth SDK for C# to alleviate many recurring issues.
The idea of using a phone for this is quite neat to me but I especially like how the system has been implemented so as to have maximal compatibility across platforms.
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