Wix should really develop a way for the users to show the variants of their products on the main Shop page. Customers could see quickly which color they'd like to choose and it would facilitate businesses to sell more products!!
See example of the shopify app joined
This forum is for things related to the Wix Forum only. For things related to Wix Stores, you are better suited going through Wix Support.
https://support.wix.com/en/article/contacting-wix-support
https://support.wix.com/en/article/contacting-wix-by-phone-3491545
https://support.wix.com/en/article/about-wix-stores