App Inventor for Android's visual block language

App Inventor for Android is a visual block-based programming language designed for beginners to quickly create Android apps. It is developed by Google and MIT and is based on the Blockly visual programming language. App Inventor is designed to be simple and intuitive, with a drag-and-drop interface that allows users to build apps without having to write any code. It is also designed to be extensible, so that experienced users can add new blocks and features. App Inventor apps are typically built using a combination of graphical user interface (GUI) components and blocks. GUI components are used to build the app's user interface, and blocks are used to add functionality to the app. App Inventor apps can be built for a wide variety of purposes, including games, productivity tools, educational apps, and more.