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This paper describes a portable framework to support augmented reality applications with user context information. It combines user's body responses with a virtual world by monitoring user's physical activity and vital signs in order to reflect real body status in a virtual world. In this paper we present a design of our portable vital signs monitoring framework, which can be applied to support physiological or affective user context information in augmented reality applications. The pivotal part of our system consists of multiple sensor nodes, and a PDA/smart phone device that aggregates and analyses data before sending it to the virtual world's controlling device as game play parameters. The malleability of the framework's communication's channels makes it compatible with most known game/ serious applications platforms.