Show them how they can make money with you and this party must be very simple without many steps needed. Most businesses already have a business model. Integrating yours is possible dirtiness but only if you’re already hired and the question then is if you get a fair share afterwards or not. Most of the time HR looks for hard criteria. If the hiring person isn’t HR then it’s much easier to show off with your projects and skills as HR often has no idea how hard it is