Mark4U

Mark4U is an online shopping app for discovering products, watching shopping videos, chatting with sellers, and managing purchases in one place. With Mark4U, users can browse recommended products, view product details, save favorites, add items to cart, choose supported payment methods, place orders, track purchase status, and request returns or refunds when needed. Businesses and sellers can create product listings, manage accepted payment options, connect receiving accounts, share product videos, chat with customers, and handle orders more easily. Key features: Browse products by category, search, and recommendations View product photos, prices, stock, delivery information, and seller details Add products to cart and place orders Choose available payment methods such as KPay, Wave, 630Pay, or Cash on Delivery when supported by the seller Chat with sellers and customers Watch shopping videos with tagged products Save products and manage purchases Request returns or refunds through supported order flows Seller tools for product posting, payment options, and order management Mark4U is part of the 630 ecosystem, built to connect shopping, seller communication, video discovery, and order management in a simple commerce experience.