For purposes of the Children's Online Privacy Protection Act (COPPA), there is a setting called childDirectedTreatment. If your app is designed for kids you can disable sending user data to ad networks by the method below.

Should be called before the SDK initialization.

Appodeal.setChildDirectedTreatment(@Nullable Boolean value);

Call setChildDirectedTreatment with true to indicate that you want your content treated as child-directed for purposes of COPPA
Call setChildDirectedTreatment with false to indicate that you don't want your content treated as child-directed for purposes of COPPA
Call setChildDirectedTreatment with null to indicate that you want to use the COPPA parameter from your application's settings on the appodeal.com