How off-the-wall / innovative / creative / unique is the idea? Was there a novel approach applied to solve the problem?
Is this addressing a key customer pain point? How is it solving the problem?
Have you used data in a interesting way? Are you planning to call out to relevant type of data?
How useful is this concept for your primary target customer? Can it impact the lives of many people in a significant way? Is there a business potential?
Are the functionalities robust, rigorous and designed with precision, in order to demonstrate the optimal performance of the heart of the solution – its core system?
Ultimately, was it the most ideal usage of the selected technologies for this solution? Or would there have been better options and/or applications?
Does this solution actually work? Could this scale as a real solution with multiple users?
Is the interface intuitive and user-friendly? Does the overall flow of the customer journey in that solution make sense?