Solve sudoku puzzles with grids ranging from 4x4 to 9x9. Choose from 12 difficulty levels. Access unlimited hints for guidance. Customize with multiple skins and night mode. Track progress and adjust settings for optimal gameplay.
Access a comprehensive question database covering academic subjects, online courses, and certification exams. Search for specific questions with a paid subscription. Subscribe monthly or yearly for access. Manage subscriptions through Store settings.
The app offers seven categories with nearly one hundred high-definition images for children aged 0-8. It provides a dual-language learning experience with standard Mandarin and authentic English pronunciations.
Read classical texts with sentence-by-sentence bilingual display, interactive annotations, and double-click dictionary lookup. Discuss translations, add sentence-level bookmarks, and sync reading history across devices.
Learn physics with interactive 3D models, real experiment videos, and animated explanations. Access思维导图 for review, watch knowledge videos, and complete同步练习 for practice.
Reference "Look up words with camera or image recognition. Translate between Chinese, English, Japanese, French, and German. Add notes, review vocabulary, and customize dictionaries. Access AI-powered grammar correction and writing prompts.
Shanghai Yuanqu Information Technology Company Limited
Children learn characters through play.
The app helps children learn basic Chinese characters through stories and games. It focuses on reading, writing, and understanding sentences, preparing them for school.