Tesseract 4D is a free Android app developed by Petales under the Education & Reference category. This application allows users to explore a hypercube in 4D space with stereoscopic vision and a compass. It has several features such as 360° tilt, all six independent 4D rotations, parallel/cross-eyed stereoscopic mode (landscape right), and different modes including magnetometer + accelerometer, accelerometer only, and free drag.

Additionally, Tesseract 4D has a double-tap zoom out option, pinch-to-zoom, and 2-finger rotate (Accelerometer Mode). This app is perfect for those who want to learn and experience the 4th dimension in a fun and interactive way. Tesseract 4D is easy to use, and its interface is user-friendly, making it accessible to all. However, it is worth noting that there is no subcategory for this app. Overall, Tesseract 4D is an excellent app for those interested in exploring the fourth dimension and its properties.