Hi, My bid is only for android app development and complete back end required for it in Php/mysql. I have a very strong experience working with Android and web technologies. However, You need to provide me Database/hosting and charges for chat sdk (if any) , sms gateway (if any included in your app) or location api (if any) to the respective providers organization . I have strong knowledge integrating payumoney and paypal payment gateway, sendbird and applozic chat sdk etc etc. So, I am able to handle small to big projects. I will handle Your all Your concern effectively. You will get honest communication with me. I am available for long term commitment as well. I hope we would be working together soon.