The only way that would work is if your bell rang in other people's cars. A big part of those gamification systems is a competitive/social aspect, so you can w

The only way that would work is if your bell rang in other people's cars. A big part of those gamification systems is a competitive/social aspect, so you can win against your friends and boast about your e-points. So, add a scoreboard for the best drivers on that mile of road, add some points, do a "best of the day", there are tons of options there.