Lazy AI is a platform that simplifies web application development by allowing users to build and modify apps through prompts. It offers templates for various app functionalities, making coding faster and deployment to the cloud easier. With over 10,000 apps built by prompt engineers, Lazy AI aims to streamline the development process and enhance productivity. The platform also provides integration with popular tools like Discord, Gmail, and Slack, making it a versatile tool for developers looking to create web applications efficiently.