What you can do with the tool:
 
•  Using defined test scenarios (tasks), observe the interaction between user and system (prototype).
 
•  Check and compare the correctness of the assumptions, solutions and concepts made with the user.
 
•  Get new inputs for improvement or completely new ideas.
 
•  Gain deeper insight into the problem by testing existing products.
 
•  Improve usability iteratively through testing and subsequent optimization.