OK smartphone

Tune a guitar, find your way around, drive a car in a video game… Your smartphone is easily capable of doing all that, and it doesn’t blow your mind. But if only you knew how it works…

“OK smartphone” is the first app in history to break through your smartphone screen, to show you what it’s like inside ! An active and interactive exploration of the sensors in your smartphone using everyday-life examples.


Give it a try on your smartphone, the link is right below.

OK smartphone in a flash

One sensor after the other



Light meter


In the every-day life

Behind the scenes

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This project was created by Léa Reviron, during an internship in the “Physics Reimagined” team (Université Paris-Saclay, CNRS).


Programming : Frédéric Bouquet and Léa Reviron

Illustration, animation and video editing : Léa Reviron

Concept : Julien Bobroff, Lou-Andreas Etienne, Frédéric Bouquet and Léa Reviron


It benefited from the support of the Chair “La Physique Autrement” of the Paris-Saclay foundation and supported by the Air Liquide group and the Crédit Agricole – CIB.

Thank you to the Centre d’Expérimentation Pédagogique of the Villebon – Georges Charpak Institute for its welcome, to Valentine for the crossword breaks, to Lisa and Chloé for the inspiring conversations and to the Physics Reimagined team, Lou-Andreas, Julien and Frédéric for their support.


Designer en création numérique, en stage