Learn how to build an Appium Automation Framework from scratch using Java, Maven, and TestNG in this comprehensive tutorial. Set up your development environment, create a Maven project, add necessary dependencies, and structure your framework with proper folder organization. Implement a BaseClass with setup and teardown methods, configure desired capabilities, and connect to mobile devices or emulators. Start the Appium server, create test classes, and run your first mobile automation test. Gain hands-on experience in mobile test automation while following step-by-step instructions for both Windows and Mac platforms.