While your development team and a tech co-founder work on the tech side of the project, you should dedicate your effort to effective marketing and product promotion.
Share project responsibilities with the tech founder. While your development team and a tech co-founder work on the tech side of the project, you should dedicate your effort to effective marketing and product promotion. The more people will know about your app, the more they will try it. Make your effort pay off with a powerful marketing and sales campaign.