Our application is for where user can upload there products and sell the products. at the same time user can also purchase the product with help of direct contact to provided details,For product purchase, WhatsApp and call option is provided, can contact the seller of the product, in the product description. also user can filter there product with the location wise and by latest product. user also can like product so they can access there product for later.also we provided help section in the setting page if there wrong information were added so they can directly contact us.