Port forwarding on your router, a suggested tutorial

It's a good tutorial explain "How To Forward Ports on Your Router".

How to set static IP on Android

This video show how to set static IP address on Android device.

• In Wi-Fi settings.
• Tap and hold the network you want to connect.
• Tap Modify Network.
• Tap to check Advanced Options.
• Tap to select IP Settings, select Static.
• Enter your setting.
• Tap Save.

Java/JavaFX Client and Server

The Java/JavaFX Client and Server developed in previous examples "Java/JavaFX Client link to Android Server" and "Java/JavaFX Server link to Android Client" can connect directly.