web to app for ios This application was purchased and activated on our website, the application is permanently rejected

web to app for ios This application was purchased and activated on our website, but when you upload it to the Apple Store, the application is permanently rejected.
1.0 Binary Rejected

Guideline 4.2.2 - Design - Minimum Functionality

We noticed that your app’s main functionality is to market your service, with limited or no user-facing interactive features or functionality. Apps that are primarily marketing materials or advertisements are not appropriate for the App Store.
Please I want to solve this problem.
I am in a big problem where I do this application for the benefit of a client of my business and in this form and delay it, this client is completely lost