Location based mobile apps development on Android platform

This paper describes a TriTHEApp Android application, designed to serve as a location based time saving and safety ensuring application. In other words TriTHEApp is a location based service, with three features, 1) Tool to announce arrival, 2) Handset theft monitoring and 3) Emergency call feature integrated in it. Tool to announce arrival service is designed to make client's uncertain waiting time known, handset theft monitoring is designed to track user's android device, and emergency call feature is designed to ensure personal safety of the android device user. Development of this application led us to identify few usability concerns and to propose solutions to solve these concerns.