The Google Play Store might be full of apps and games that are tracking children without the express permission from the parent, and Google doesn’t seem to be doing much about it. Thousands of Android apps are tracking children It underlines that a large number of Android apps might be violating the federal laws in the United States by tracking minors and gathering data without the express permission of their parents. The study covered 5,855 popular Android apps released between November 2016 and March 2018. 49% of the apps in the study (2,281) were actually in violation of the Google's terms of service, which prohibits sharing so-called persistent identifiers. The study only covered 5,800 apps release in a span of about two years, and that’s a mear pittance of the total number of apps in the store.