Lumen Privacy Monitor monitors Android apps tracking March 15, 2018 https://www.ghacks.net/2018/03/15/lumen-privacy-monitor-monitors-android-apps-tracking/ Lumen Privacy Monitor (Google Play): https://play.google.com/store/apps/details?id=edu.berkeley.icsi.haystack&hl=en
It creates a local VPN so no good to anyone who already uses a vpn or a different app that creates local vpn like noroot firewall.