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EngliPlay – AI-Powered English Learning App | 18 Game Modes | React PWA
EngliPlay is a fully self-hosted Progressive Web App (PWA) that turns English learning into an addictive game. Powered by the OpenRouter AI workflow – which chains through 5 free large-language models with automatic fallback – it generat…
- Sentence Builder – drag & drop scrambled words into correct order
- Grammar Puzzle – multiple-choice error correction
- Speech Challenge – read aloud, scored by Web Speech API in real time
- Dictation Master – listen to TTS audio, type what you hear
- Story Weaver – fill blanks in an AI-generated short story
Everything You Need Out of the Box
Carefully crafted features that ship with this product — no extra setup, no hidden costs.
Sentence Builder – drag & drop scrambled words into correct order
Grammar Puzzle – multiple-choice error correction
Speech Challenge – read aloud, scored by Web Speech API in real time
Dictation Master – listen to TTS audio, type what you hear
Story Weaver – fill blanks in an AI-generated short story
AI Chat Roleplay – open-ended conversation with an AI English tutor
Synonym Sprint – find synonyms before the timer runs out
Spelling Bee – identify the correctly spelled word
Customer Rating
4.7/5 From 232 verified buyersSales
2,812+ Trusted by businesses worldwideSetup Time
< 5 min From download to liveBuilt to Scale & Convert
EngliPlay is a fully self-hosted Progressive Web App (PWA) that turns English learning into an addictive game. Powered by the OpenRouter AI workflow – which chains through 5 free large-language models with automatic fallback – it generates infinite, level-appropriate content so no two sessions are ever the same.
Buyers deploy on their own domain in minutes: add two free API credentials (OpenRouter + Firebase), run npm install && npm run dev, and the app is live. Zero monthly subscription costs for the app itself.
18 AI-Driven Game Modes
- Sentence Builder – drag & drop scrambled words into correct order
- Grammar Puzzle – multiple-choice error correction
- Speech Challenge – read aloud, scored by Web Speech API in real time
- Dictation Master – listen to TTS audio, type what you hear
- Story Weaver – fill blanks in an AI-generated short story
- AI Chat Roleplay – open-ended conversation with an AI English tutor
- Synonym Sprint – find synonyms before the timer runs out
- Spelling Bee – identify the correctly spelled word
- Odd One Out – spot the word that doesn’t belong
- Phrasal Verb Quest – fill-in verb + particle combinations
- Verb Voyager – choose correct verb tense per sentence
- Preposition Park – select in / on / at / by / with
- Article Alley – a / an / the selection
- Word Match – pair words with definitions or antonyms
- Quick Think (True/False) – grammar statements, race against the clock
- Context Detective – infer meaning from surrounding context clues
- Riddle Realm – solve English riddles with vocabulary clues
- Idiom Master – learn and identify common English phrases
AI Workflow & Architecture
- Calls OpenRouter API (5 free LLMs tried sequentially with auto-fallback)
- Structured JSON prompts per game mode – strict CEFR-level calibration in every prompt
- Deduplication hashing prevents repeating questions across sessions
- AI Chat session maintains local message history for coherent multi-turn dialogue
- Word of the Day endpoint generates daily vocabulary with pronunciation + example
Gamification Engine
- XP & CEFR levelling: A1 → A2 → B1 → B2 → C1 (8 tiers, 30 levels)
- Daily streak tracking with visual streak counter
- 5 unlockable achievement badges (First Steps, On Fire, Rising Star, Grammar Guru, Chatterbox)
- Global leaderboard (Firestore-backed, live rankings)
- 50-session history log with XP chart (Recharts)
- Confetti animation on level-up
Features at a Glance
- PWA — installable on desktop, Android, iOS; app shell works offline
- Google Sign-In via Firebase Authentication; guest mode uses localStorage
- Firestore cloud sync — progress follows the user across all devices
- Dark mode + light mode, persisted per user
- Sound effects (correct, wrong, timer, level-up)
- Fully responsive – mobile-first design
- Microphone access only on explicit tap; audio processed locally by the browser
- Structured Practice section with 14 curated lessons, each locked to appropriate levels
- Topic selector on Dashboard – filter AI content by subject (Travel, Business, Food, etc.)
- Error Boundary component wraps the entire app for graceful failure recovery
Tech Stack
- React 19 + TypeScript 5 + Vite 6
- Tailwind CSS 3 (JIT)
- Firebase 12 (Auth + Firestore)
- OpenRouter AI API (free LLM models)
- Recharts (XP history chart)
- Lucide React (icons)
- Vitest (37 automated test assertions across 6 suites)
- canvas-confetti (level-up celebration)
Quick Setup (3 Steps)
- Get a free OpenRouter API key at openrouter.ai/keys
- Create a free Firebase project and copy its web config
- Paste both into
.env.local, runnpm install && npm run dev
Full OS-specific installation instructions (Windows, macOS, Linux) are included in the documentation.
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Complete checkout via Razorpay-secured payment.
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Quick Setup
Follow the included docs — usually under 5 minutes.
Launch & Grow
Customize, deploy, and scale to your audience.
What Buyers Are Saying
Based on 232 verified reviews
"Excellent quality and instant delivery. The documentation is super clear and setup was a breeze. Highly recommend!"
"Perfect for our use case. Saved us weeks of development time. Support team responded within an hour."
"Clean code, easy to customize. Worth every rupee. Looking forward to future updates."
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