⭐ Firewall allows you to block apps from accessing the Internet without root requirement. ⭕ Firewall uses the Android VpnService to route traffic to itself, the apps access the Internet will be filtered on-device instead of on a server. ⭕ The reason VpnService is needed: - Users can allow/block the apps access the Internet, the technical for this solution is using VpnService for control the Internet access - Firewall uses the Android VpnService to block the Internet access for apps on device - Internet access will be filtered or block on-device instead of on a server - We do not use VpnService to route traffic to any server, VpnService just only locally on-device to block app from access the Internet 🔶 Firewall can block app from accessing to the internet. 🔶 Applications can be allowed or denied access to your Wi-Fi and/or mobile connection. 🔶 Blocking access to the internet can help protect for your Android. 🔶 With Internet access control, you can block any network access based app, block internet per app