'Ask Little Universe' AI search feature in the Instant App innovatively combines audio content with in-depth knowledge search, providing voice-based deep analysis and recommendation services. Users can search using keywords to obtain not only text summaries but also relevant audio content on various topics, such as sports analysis and historical discussions. Key features include personalized recommendations, retro interface design, and in-depth exploration of vast audio content. However, there is an issue of outdated data, such as information regarding retirement age. This feature offers users a rich and diverse experience.