Spheroid Universe is a platform enabling users to craft AI avatars within augmented reality for diverse applications including business, education, advertising, and entertainment. Users can design avatars by choosing a space, 3D model, imbuing personality traits, and training them to interact with users. These avatars engage users through voice chat and comprehend natural language. Additionally, Spheroid Universe provides tools like a dialogue editor and the XR Hub augmented reality app for publishing avatars and inviting others to experience them in real-world settings.