This document is an assignment report submitted by a group of 4 students for their Human Computer Interfaces course in 2015. It includes an introduction, abstract, documentation of their lab works, use case diagrams, scenarios, requirements using the Volere template, user groups, transcripts, flow diagrams, prototypes, meeting minutes and individual workloads. There are 25 paper prototypes presented with screenshots and descriptions. Tables and figures are provided to explain the various design artifacts and deliverables.