Hop is a new iPhone software that lets you use your iPhone as a geolocation pencil drawing!
Here's how it is presented by its authors: "You can draw with your background and your movements in real space. In the manner of Tom Thumb, stone after stone, a design is formed on a map. A pebble Virtual c ' is a hop, the design is formed by more pebbles deposited. after Hop Hop ... "
Once a design made it possible to share online.
Here's an example made near the Luxembourg Gardens:
Rather like the original concept!
Will you do better? If you want to try, the software is available free on the AppStore.