Awesome analysis!
Questions applicable to every hard working startup:
+ Do we solve a real problem?
+ Do we have customers who find our solution useful?
+ Can we make enough money to make our solution a sustainable business?
+ Will we know when and how people hear about our solution?
+ Will we be able to understand if and how they use our solution?
+ Can we change things quickly enough to improve our solution (based on learning)?
+ Can we measure the quality (usage) of our changes?
+ Can we reduce amount of work and test for need earlier (think MVP)?