I want ready made multi vendor E-commerce App

Please mention if you have this app ready made.

I’m looking for a ready made & existing, fully-functional multivendor e-commerce application . The solution should already be in production or at least demo-ready, with vendor onboarding, adding stores, catalogue management, order processing, customer accounts, coupon/discount support, and an admin dashboard included.... etc

The project should include:
-The users app platform should be in Android and ios
-platform admin panel to manage all stores
-store admin panel for the vendors


Please share a live demo URL, screenshots, or a short video for me to check.