Websites should always have some element of fun without being too loud that distracts users attention.
It is quite a challenge to create an experience that helps consume information in such limited viewports.
People like to share experiences, good or bad. But give them a good experience and they will be your evangelists.
Nothing fancy, it was at work and open to all. But still an accomplishment I'm brandishing with pride.
There was a total of 9 entries. Mine was chosen as the overall winner. I have chosen to present a problem I have experienced personally. And my prototype solution was viewed viable for creating an app we could pursue. It's currently under development.
Disclaimer: I'm not a mobile developer but I do have a few years experience designing UI for mobile web and native apps