What are you bringing to the table other than the idea? Do you have a design? Wireframes? The first few customers?

My generic advice would be to create the smallest useful version of your app, and see if you can get any traction with it.

Had a friend who expressed interest in building a similar food delivery app but seemed to back out of it because of the demands in logistics. He's interested in exploring other ideas involving tech solutions.

I am interested in helping you build this.

First, you should add "Ask HN:" to the title. Second, "as you can see from my earlier topics" isn't a sufficient description to help you, not even with links.

ship it.make a MVP