design for CS project

I need you to write 5 pages for the DESIGN AND IMPLEMENTATION of my project

Architectural Design and Detailed Design

The app simply :

The costumer will open the application and type the name of the item in the box and it will be added to the list and he can press on one of the items he was listed it and it will show him the shortest way of the item inside the store

The app will have

+ to add

· Remove

The next pages is more details of my app