A phone showing the MY2022 Winter Olympic Games app in Beijing on January 20, 2022.FRANCOIS-XAVIER MARIT/AFP via Getty Images All participants of the upcoming Olympics in China must download the MY2022 app before arriving. The app can ban words that are critical of China or note Uyghur oppression, CitizenLab found. The report also said the app has serious security flaws in how it deals with personal data. China's official and mandatory 2022 Winter Olympics app has the ability to block more than 2,000 words and phrases, a digital forensic analysis found.China rolled out the MY2022 app to keep track of attendees' health status, engage in chat rooms, and keep people informed about proceedings.