This past April, Cloudflare and APNIC┬áreleased a new 1.1.1.1 public DNS resolver service whose goal was not only to make looking up Internet addresses faster, but also make them more private. Today, Cloudflare has released a 1.1.1.1 app for Android and iOS to easily bring these same features to your mobile devices. […]

from https://www.bleepingcomputer.com/news/security/cloudflare-brings-its-1111-dns-service-to-android-and-ios-mobile-devices/