You can set up differnet profiles for members of your family to get have individualized watch history and personalized recommendations.
These work similarly to Netflix profiles, where when you initially open the EZVideo app, you can choose which profile you want to be watching as, and the experience is catered towards your particular tastes and behavior.
To set up profiles bring up the Main Menu and select the Profile icon. Then navigate to the top right and select the gear icon.
This will bring up all of the settings and help information. For more information on all of the settings click here.