Hi, I want to develop an E-commerce mobile application in both Andriod and iOS if both possible otherwise anyone will do. the mobile application requires video chatting facility as well. the application will be based on an e-commerce website. Please tell me about the full cost and the time it'll take. I'll give you the full details after getting the required information based on the given details. please just give me just rough estimate. also if possible send me your email and contact number as well.