The target audience are severe physically disabled people, which are either not able to use the mouse or only with huge issues.
Simon is also usable for people with cognitive and linguistic deficits, because it only works with the language of the affected person and the created usage definitions require practically no computer knowledge.
Linguistic and cognitive requirements
The user needs to be able to consciously articulate various words and/or sound constellations.
Knowledge of numbers
An additional requirement is the conscious differentiation of 0 to 9 and/or allocation of sound constellations.
Besides the control of the mouse through a desktop grid, following functions are individually adjustable.