CastleAR is an innovative demo application designed to blend augmented reality (AR) with everyday experiences. By leveraging QR code scanning technology, CastleAR allows users to play videos seamlessly on top of images, creating an immersive and interactive visual experience. Simply scan a QR code, and watch as relevant video content overlays the associated image, transforming static visuals into dynamic, multimedia presentations. This cutting-edge app is ideal for enhancing marketing materials, educational content, and more, offering a glimpse into the future of AR integration.