How to check-mark all products/collections to "visible status" for the "Mobile App sales Channel" on my Shopify Admin?

Why do I need to checkmark / enable "Mobile App Creator" sales channel for all my products on the Shopify Admin Panel?

All products on your store must be marked visible on the Mobile App Creator - Mobile Apps Builder - Plobal Apps Sales Channel. 

If not, users will not be able to checkout from the mobile app and will see an error message saying "Oops, there's some problem with your cart"

Steps to mark "products" visible for the Mobile App sales channel :

1. Login to your Shopify admin panel
2. Go to Products - Select all the Products on your store
3. Click on Bulk actions - Make products available
4. Select the Mobile App Creator - Mobile Apps Builder - Plobal Apps Mobile Application 
5. Click on Make products available

Steps to mark "collections" visible for the Mobile App sales channel :

1. Login to your Shopify admin panel
2. Go to Collections - Select all the collections on your store
3. Click on Actions
4. Click on - Make products available
5. Select the Mobile App Creator - Mobile Apps Builder - Plobal Apps Mobile Application 
6. Click on Make collections available

Hope this article is useful :)