Errong Leng

WSC QA: Interactive Catechism Learning App By Q.Z.L Team | Published on 2026-01-20 Demo Video Elevator Pitch Deepen your knowledge of the Westminster Shorter Catechism in English & Chinese with a modern app featuring full Q&A, scripture references, quizzes, text-to-speech, and an AI Tutor for guided learning. What it does Complete catechism Q&A in English & Chinese. Full scripture references for every answer. Interactive quiz mode to test knowledge and memorization. Text-to-speech support for auditory learning. AI Tutor Chat powered by Gemini 3 for real-time guidance. Modern interface for smooth browsing and study. Try it now: Web App | Android w/ ads | Android Paid, no ads Inspiration We wanted a modern, interactive, and accessible way to study the Westminster Shorter Catechism. S...

COCA 16515: Master English Vocabulary Efficiently By Q.Z.L Team | Published on 2026-01-20 We’re excited to announce COCA 16515 , a vocabulary learning app designed to help learners master the 16,515 most frequent English words from the Corpus of Contemporary American English (COCA) . Built from my own experience preparing for IELTS and Canadian PR, this app turns a huge word list into a fun, structured learning journey. Demo Video What it does 16,515 COCA words with bilingual definitions (English–Chinese). Context-rich examples, multiple usages, and pronunciation guides. Flashcards, quizzes, and progress tracking (XP, streaks, mastery goals). Interactive web and mobile apps for study anywhere, anytime. Try it now: Web App | Android w/ ads | Android Paid, no ads Inspiration While preparing for IELTS, I realized that studyi...