I think it's important to understand your business goals before jumping into app development. Have you created a Lean Canvas or something like that? Do you know who the customer is and what they want? Has the developer built anything that they can show, even a mock-up or prototype? It's tempting ...
You need to publish tidbits of how to accomplish this online for free to become an authority on the subject. When you become known for this then companies will pay you to consult on it. In the short term, partner with development shops who build apps for customers. Get them onboarded as rese...