React Native Test task, what are the subtleties in it?

Question

Android

The customer goes to the client and urgently needs to assemble a Proof of Concept e-commerce solution within a working day (9 hours).
It consists of:
a) Remote (remote, accessible to all customers from any device) product database with the ability to edit it by the seller.
b) The product object contains at least the title, photo, description and price.
c) The App loads and displays a list of products with photos and prices. By clicking on the product, its full description and the "Buy" button are displayed. "Buy" opens a new screen where you can enter contact details and send order information to the store manager.
Workflow implementation.
-------
What can be the nuances, what to pay attention to?
in my understanding, make a server on c MYSQL, (I used PHP) and App. They will look at the code, what tools and approaches are best to do?
Why predilsovie in the task?
on what to implement editing of base or it is not necessary?

Answer 1

It seems to me that it makes no sense to collect some kind of crap on your knee, it is better to show full-fledged solutions that you had in the past.

Answer 2

If they gave me a test for 9 hours, I would send the fuck. Yes, and based on the preface, it is obvious that this is an office of the type Herax, Herax and in production