vpn_tunnel:

        - simple Android Service Application, that is based on the Android VpnService 
            and provides catch and tunneling ip/tcp, ip/udp,... packages to Linux application, that
            extracts packages and routes them in internet;
        - provides tunneling in both directions: from Some Android Application to Internet
            (Some Server) and from Internet (Some Server) to Some Android Application;
        - this tool is based on ToyVpn and doesn't provide any encryption of tunneling packages;
        - some improvement of handshake (Vpn tunnel service and Linux tunnel server) has been provided;

    Technologies and tools:

    - Android Platform: Android Studio, Android SDK, Gradle, Git;
    - Linux Platform: Debian 10, gcc, Make tool, Bash, Git;

Activity:

    - Development VPN Tunnel Android Service Application;
    - Development Linux Tunnel Server Application;