Start with the problem. Find the problem you personally really want to solve. Do not begin with solution. Then find the problem. Otherwise, the problem you found would be just an artificial problem.
A Good Problem
Here are hard questions you need to ask yourself: Who's care? If you can't come up with a good answer, it's a warning sign that you probably haven’t come up with a good question.
“While successful entrepreneurship does indeed require innovation, focusing first on the solution rather tan the problem that needs to be solved can be a recipe for failure.”