The Mobile Information Device Profile (MIDP) is a specification designed for mobile devices, particularly those running the Java platform. It provides a set of APIs that enable developers to create applications for devices with limited resources, such as memory and processing power. MIDP is commonly used in mobile phones and other handheld devices, allowing for a consistent user experience across different models. MIDP works in conjunction with the Connected Limited Device Configuration (CLDC), which defines the minimum requirements for the Java runtime environment on constrained devices. Together, these specifications facilitate the development of mobile applications, making it easier for developers to reach a wide audience across various mobile devices.