a prototype for one of the project in my company it's about an app for advertising in cars

A sample/prototype for our proposed solution regarding the problem of communication in our school.

New version to listen to your favourite music. I build this prototype for my (Designing for usability) module at university. It allows you to experience the joy of music in a different, flexible, and adaptable way. This is the first version of Mid-High Fidelity stage of prototyping. Feel free to comment on it, and suggest anything you feel it needs to be added. Thank you.