As mobile phones become smarter and include a
wider and more powerful array of sensory components, the
opportunity to leverage those capabilities in contexts other
than telephony grows. We have in particular identified those
sensory capabilities as key components for modern user
interfaces that can detectmovement, actions and intentions to
enrich human-computer interaction in a natural way. In this
work, we present research around using smartphones as input
controllers in the context of exertion videogames. We propose
a conceptual framework that identifies the core elements
of such interfaces, regardless of the underlying technological
platforms, and provides a design pattern for their integration
into existing videogames without having to change the
game’s source code. We present a proof of concept implementation
for the framework, with two smartphone input
controllers, which using a soft button and accelerometer data,
interface to a target-shooting exertion game played while
exercising on a stationary bicycle.We present findings froma
user experience evaluation