Unsolved mysteries and economic theories explored.
The app presents over 100 natural and historical unsolved mysteries that currently defy scientific explanation. It also includes content related to "The Road to Serfdom," discussing economic systems and individual freedom.
by 红 陈★ 5.02 ratingsReferenceFreeData updated 2026-10-16
The app presents inferencing questions in a game format to help children develop critical thinking and reasoning skills. It offers over 100 questions with animated feedback and a bonus challenge to encourage learning.
Access detailed Islamic prayer guidelines and spiritual teachings. View historical context and authorship information. Navigate through structured content for daily prayers and spiritual reflection.
Plan and manage satellite by analyzing economic, technical, and social factors. Simulate mission scenarios, optimize system performance, and evaluate launch strategies for different orbit altitudes.
Explore scientific concepts through interactive experiments in biology, physics, and chemistry. Use device sensors like camera, microphone, and motion sensor for real-time data collection.
The app presents interactive panels for major aircraft systems. It offers concise overviews and in-depth explanations to foster understanding of the B737NG.
The app provides portable access to key statistical indicators organized into four sections: general information, economic, social, and environment/infrastructure. It offers data for over 200 countries and regions with a simple interface.
Identify insects via photo with AI analysis. View scientific classification, traits, behaviors, habitat, and ecological role. Access detailed descriptions, habitat info, and interactive content for each species.
The app presents biographies of historical figures from China and abroad. Readers can explore the paths to success of influential individuals and gain insights into national and societal evolution.
The app provides the official guide to UK road and traffic signs, featuring a searchable catalog of 981 signs and road markings. It includes illustrated practice questions and mock tests to help users learn and understand traffic signs.
The app teaches 100 frequently used Cantonese words and phrases. It includes audio recordings from a native speaker and a voice recorder for pronunciation practice.
Teaches through interactive games. Covers home, outdoors, road, and public space scenarios. Includes topics like air pollution, swimming, and seasonal . Features games to learn about emergencies, first aid, and safe practices.
The app presents a detailed three-dimensional model of a horse for exploration. Users can view and manipulate internal systems layer by layer or simultaneously, with options to highlight or remove structures for deeper viewing.
The app presents a spoken word and four themed pictures for children to match. Children drag the correct picture to the word, which is also displayed visually.
The app presents facts about Russia's federal structure, geology, and climate. It also describes significant landmarks and cities, helping users refresh their knowledge of the country.
Access questions with detailed explanations. Practice in multiple modes. Analyze performance with a scientific system. Prepare for 7 and General Securities exams. Track progress and review answers.
The app presents Islamic values and morals through a collection of films for children. It includes 12 categories, each with films reflecting Islamic principles.
The app presents logical exercises for children, guiding turtles home by arranging directional arrows. It offers over 100 levels with increasing difficulty, teaching direction and pathfinding.