Messaging Android App 2

A simple messaging app where people can send a get messages. and I need it as fast as possible. 1. The project is client (Android) and server (WebService) development - JAVA ONLY (no PHP, .NET, etc) 2. The WebService is REST+JSON 3. Database is MySQL 4. A message can be text, image, or video 5. User can see location of message sender on map 6. Payments can be done by (a) In-App Purchase for Google Play (b) PayPal more details will provided after project is awarded.