If you want the users of your application to buy your goods via their mobile phones, you will need this module.
To activate it you just need to click on it.
If you want to add your shipping method you need:
If you want to add your payment method you need:
To delete the added method of delivery / payment, just click on the urn icon next to the desired method.
Also, you can remove the display in the application of an unnecessary method of delivery / payment by removing the checkmark next to "Is it available in the app?". But keep in mind that at least one way of delivery / payment should be included.
If you do not need such functionality, then you can disable the Shopping cart module by clicking on it again.
A message will appear, indicating whether you are sure you want to disable the Shopping cart module. And accordingly you