Free download Root Firewall APK for Android, PC. Latest version is 2.1, update at September 16, 2015
Root Firewall version 2.1 is only one variant.
This is the best choice to ad-blocking, prevent data over-billing, save battery life, as well as protect your privacyFeature:☆ Block Internet access for any apps: ☆ Separate 3G and WiFi...