Hi, My Bid is for Complete Android App Development and back end required for it. However, You shall provide database/hosting and charges for extra things like chat sdk or if any paid api like location, sms gateway etc is there or for such kind of services to the respective companies. I have quite a strong knowledge working on Android and web technologies, integrating payment gateways like paypal, payumoney, chat sdks like sendbird and applozic, location based services, firebase , push notification , huge no of file uploads etc etc. You will get 1 month remote support for free post deployment. I have already developed apps like reminder application, fitness and food suggestion app, and recently going to finish a app on hiring workers based up on location, bid and many other factors. and You will get honest communication with me. I ensure You an awesome product. I hope we would be working together soon.