Practical guides on Android focus, security and content filtering — from the team building SafeSurf & SafeGuard.
Apps hide a full browser inside themselves to slip past blockers. Here is how on-device filtering with hierarchical, content-type rules blocks embedded WebViews on Android — with no VPN and no battery drain.
A Private DNS provider like FamilyGuard blocks ads inside apps and filters unsafe sites system-wide with no latency and no VPN — and SafeGuard can lock the setting so it cannot be turned off.
A filter you can disable in two taps is not protection. Here is how Device Owner status uses official Android APIs to stop a focus app being uninstalled, force-stopped, or bypassed.
Compulsive checking runs on a three-second loop that willpower cannot win. A delay mechanism inserts mandatory waiting time before any unblock takes effect — here is how and why it works.