You can donate these stars to any of their partner charities
It will convert these stars into cash for charities or other medical products and over 400,000 users donating daily and a drug called DrugStars and a health charity all over, and with DrugStars you can get more of your medicines at no cost and make free donations to charities and organizations. They provide real insights from the world and they have an easy-to-use app that you can redeem your rewards to start making donations