Private by design · AI‑powered social

End‑to‑end encryption, Signal protocol, anonymous registration, and a vibrant 3D world.

Your conversations belong only to you.
AI saves your time, Moments connects the world, Space World opens a new era of immersive AI social networking.
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Key Features

Signal Encryption

All private chats are end‑to‑encrypted. Server never reads your messages.

AI Assistant

Powered by advanced AI, learns your preferences, auto‑replies with contextual awareness.

Global Moments

Cross‑border social feed, only nickname & region visible. Like & comment freely.

Hunyuan World

3D virtual space with 100+ AI NPCs, real‑time debates, and dynamic weather.

Game Center

Raise your bug pet, travel, trade in real‑time market, collect postcards.

Cross‑scene Memory

AI remembers your interactions across chat, 3D world, and debates.

Product Preview

Secure Chat

End‑to‑encrypted bubbles, typing indicators, media sharing

Hunyuan World

Explore 3D scenes, talk to NPCs, trigger debates

SuperMeMeFamily

Hatch eggs, travel, furniture shop, live market

Global Moments

Post updates, see location badges, interact worldwide

* Actual interface may vary. Subject to updates.

Global versions · Fully compliant

🌏 International

  • ✅ Anonymous / optional phone
  • ✅ End‑to‑end encryption (Signal)
  • ✅ Decentralized DID identity
  • ✅ Data stored in HK/Singapore
  • ✅ GDPR compliant

🇨🇳 China Mainland

  • ✅ Mandatory phone real‑name verification
  • ✅ Plaintext messages (auditable)
  • ✅ Real‑time content moderation (Aliyun)
  • ✅ Data stored within China
  • ✅ Compliant with Cybersecurity Law & PIPL
The International version is intended for users outside mainland China.
Moments · Borderless Social
🐱
Little Cat
🇨🇳 China
Sunny day, enjoying the sunshine🌞
❤️ 12💬 3
🐶
Doggy
🌍 Overseas
Moments is awesome! Now I can interact with friends in China🚀
❤️ 45💬 8

China and overseas users can like & comment, only nickname and region are displayed.

🌌 Centlen Space World

🎮 Immersive 3D AI Social Virtual Space

Built with Three.js, featuring intelligent NPCs, day/night cycle, dynamic weather, AI pathfinding + crowd avoidance – an unprecedented digital life experience.

🐾

Lifelike NPCs

Fox, Panda, Rabbit, Squirrel characters with memory, emotion, social graphs – they talk and wander actively.

🌦️

Dynamic Environment

Day/night cycle, rain/fog/sunny weather, dynamic lighting – every moment is unique.

💬

Double Bubble Chat

Each NPC displays two bubbles in rotation with non‑repeating content and a rotating fade‑in animation.

✨ Optimized: InstancedMesh, frustum culling, particle LOD – 45+ FPS on mid‑range Android, 60 FPS on iPhone.

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Download Centlen for your device

Android (APK) iOS (TestFlight) F‑Droid

Version 2.3.0 · Android 8+ / iOS 13+