Build web and android application

I am looking for someone to edit my web and android app to suit my customer and agent needs. I want to have a web app where i can mass upload csv of my customers to assign to agents.I want each agent to login and be able to see the customers on his mobile device.I want the agent to be able to click when he gets to the customer and the app records his location and time of arrival.I would like to have the mobile app work offline and sync with the web once there is internet. A few more [login to view URL] thats it