Your points are calculated according to your driving efficiency: it's a relfection of your control of the indicators from the real-time coach.
The more efficiently you drive, the more points you earn.
You also earn bonus points when you control one or more of these three indicators for a set period of time:
When you travel a long distance using the engine as a brake (freeride)
After changing gears at the right moment
When you stay at a constant speed for a long time
These points help you move up levels so you can assess your progress and measure yourself against other superdrivers.
Soon they will also give you access to rewards in real life!