If you want to run this app then you must purchase the All in ONE single vendor and multivendor store name KingCommerce. You can get complete details of KingCommerce here: https://codecanyon.net/item/kingcommerce-all-in-one-singlemulti-vendor-ecommerce-business-management-system/22716806
Demo App Link: https://geniusocean.com/demo/kingcommerce/app/assets/files/KingCommerce-demo.apk