Write a design brief for this problem by completing the sentence below, Design and make a......(what it is you are designing and making?) For.......( Who state the problem here?)?

Design and make a mobile application for busy professionals who struggle to find time to meal plan and grocery shop efficiently.

Design and make a working prototype of a device that solves the problem of safely storing keys for... (e.g., for elderly people, for people with limited mobility, for people who often lose their keys)