Optical Illusions (Relax and Refresh Mind / Brain) is a free Android application developed by Tuneapp that offers a mesmerizing collection of optical illusions. The app is designed to trick your brain with a combination of angles, colors, and shapes that can create an illusion of movement or stillness.

The app provides a fascinating insight into the psychology of vision and how our brain processes visual information. With a wide range of optical illusions, the app can help you explore the limits of your perception and challenge your visual system. The illusions are categorized into different types, including geometric, ambiguous, and impossible, making it easy to navigate and choose your favorite.

Overall, Optical Illusions is an excellent app that can relax and refresh your mind by providing a unique and mind-boggling experience. The app is easy to use, and the illusions are of high quality, making it a must-try for anyone interested in the science of perception.