Happn is a new mobile dating app that uses your phones location to show you potential matches. Every time you cross someones path, this persons profile will be added to the top of your feed. It works like Highlight, but for dating. When you open the app, you get a grid view with your latest encounters.

What does the green dot mean in happn?

Green dots on Tinder show someone thats been online recently who liked your profileCredit: Getty Images.