One in five of the most popular apps for kids under 13 on Google Play don t comply with COPPA regulations on how children s information is collected and used. About 20 percent of the Top 500 kids mobile apps in the Google Play store are collecting data on users in a way that likely violates COPPA. COPPA, imposed by the Federal Trade Commission (FTC) applies to online services, apps and websites that target children under 13, and it requires child-directed websites to provide.
Source: https://threatpost.com/kids-apps-google-play-privacy-violations/167110/