Simple extention to existing Java application

Existing application requires smaller extension in specific areas and controll of specific processes. Applied technology is Java, J2EEm Java serverlets, JSF/RichFaces. The application runs on AWS Amazon server. The application's core function is the management of data gathered via SMS or smartphone app and presentation of data in custom-made output window (as graph, table etc). Areas of work: - add simple extension of data record process and output window - check consistency of data base and data records (data is ordered based on 7 attributes).