If you want to follow a contributor whose videos you enjoy, a brand, or friends with whom you share your Kinomap experience, here's how.
First of all, to search for another user, go to the application's "Search" menu. In the drop-down menu at the top right, you can select "Users" and enter their pseudo in the search field on the right:
Once you're on that user's page, you'll see a 'Follow' button on the right, just press it:
You are now following this other user: