How it Works: MP40 is an Android app developed by Noble Empire that provides a detailed 3D model with animation explaining the function of the German WWII submachine gun MP40. The app has a variety of features, including operation animations such as fire and reload, sawn-off barrel and stock accessories, slow motion, x-ray and cutaway modes, and Tap'n'Hide mode that allows you to hide any part of the model by simply tapping it. Additionally, the app has an augmented reality feature that uses your camera to take AR photos.

The 3D model is highly detailed and provides a realistic representation of the MP40. With the operation animations, users can see how the gun functions in real-time, giving them a better understanding of its mechanics. The different modes, such as x-ray and cutaway, allow users to explore the inner workings of the gun, while the Tap'n'Hide mode provides an interactive experience. The augmented reality feature is also a great addition, allowing users to take photos of the gun in their environment.

Overall, How it Works: MP40 is a great app for anyone interested in the MP40 or WWII history in general. The app provides an in-depth look at the gun's mechanics and features, making it an informative and interactive experience.