Mass Effect Codex is an Android application that brings the Mass Effect universe to life through an Augmented Reality (AR) Codex. As a fan-made app, it contains codex information of different alien races, planets, technology, and other information found in the Mass Effect universe. The app allows users to use AR technology to project 3D models of alien species found within the Mass Effect universe, read information about that particular race, or listen to the app as it reads the information aloud.

The app is easy to navigate and offers a detailed and immersive experience for fans of the Mass Effect universe. Users can interact with the app in a number of ways, including listening to audio recordings, exploring planets, and learning about the different alien races. Mass Effect Codex is a must-have app for anyone who loves the Mass Effect universe and wants to learn more about its rich history and lore.