All Services Programming & Development Android Devloper $8/hr · Starting at $250 3.5 yrs experience in Android Technology. GPS Tracking, SQLite Database, Google Expansion, XMPP server for chat app, Json parsing (with Gson also for fast performance), Custom Image Map, View Animations and many more.. About $8/hr · Ongoing Download Resume 3.5 yrs experience in Android Technology. GPS Tracking, SQLite Database, Google Expansion, XMPP server for chat app, Json parsing (with Gson also for fast performance), Custom Image Map, View Animations and many more.. Skills & Expertise AndroidGPSJSONSQLite 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts GPS ServicesSQLite ExpertsJSON Developers