Tapping on the number of credits you have from your profile will take you to the Credit Center. From here, you're able to watch advertisements to earn free credits on GandiesAI.
Not seeing this option? Try refreshing the page by going back to your profile and back to the Credit Center. It may take your device a few moments to realize that it can view an ad.
Already watched ads today and not seeing the option to watch another? All advertisements are capped off at 5/user/day.