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\subsubsection{Concurrent access and manipulation of interface components}  Unfortunately, one of The interface components used are  the limitations of our system rotation vector sensor and accelerometer, which both operate concurrently to control speed and direction. Feedback  is that devices cannot be operated concurrently. concurrently given to the user regarding how their inputs change the game state.  This criterion  is a software limitation and given more time this could be developed such that concurrent usage would be allowed. therefore met.  \subsubsection{Strong specific devices}  The 'devices' within the android phone can represent the sensors inside the device, with the screen and vibration motor being output devices.  Each individual component has device fulfils  a specific task that it achieves, and it can achieve only that tasks. Due to this we agree that we have met this objective. single task, the sum of which produces a game.  \subsubsection{Spatially aware computational devices}  Our components are at The basis of the application is for  the moment device to be  spatially unaware aware, as this is the method for moving around the map. The device is aware  of tilt and direction within  the surroundings. real world.  In future revisions this could easily be addressed previous versions of the application we used the GPS sensor  to include more interaction with the physical environment by adding sensors attached make the device aware of its location in space, and this was only removed  to streamline  the main interface kit. performance. We would argue that this criterion has been met.  \subsubsection{Spatial reconfigurability of devices}  At the current moment in time, our devices are only functional for one specific purpose and cannot be reconfigured spatially. Again this is something that could easily be addressed in future developments of the system.  \subsubsection{Conclusion on tangible interface eligibility}