Mobile Devices and Self-Service E-Commerce

Scenario
Imagine that you have been hired by the start-up e-Commerce company Sports R US to provide a convenient self-service solution for customers accessing sports products. The Web application would need to be available on mobile devices (for example, smartphones, tablets, laptops, notebooks). The application also needs to work on multiple Web browsers (that is, Chrome, Internet Explorer, Firefox, Safari and, others) to support self-service tasks. Sports R US has asked you to provide a Human-Computer Interaction (HCI) guide for the design and implementation of this service.
Note: You may make all the necessary assumptions needed for the completion of this assignment.
This assignment must address the following topics:

Information Gathering.
Design Strategy.
Prototyping.
Implementation.

Instructions
Write a 58 page paper in which you:

Describe the following:

Purpose and goals of a mobile self-service.
Target segment (audience).
The audience needs and wants.
Resources necessary to achieve the desired outcome.
Design of the website for mobile devices
Interfaces applicable to mobile devices.