Happy English
A bilingual English-learning world in the HappyTown universe
Happy English is a bilingual Vietnamese–English learning world set in the HappyTown universe. Learners tap any 3D object to hear its name, then practise listening, speaking, reading and writing through short, game-like lessons.


What’s inside.
- Tap any of 4,400+ 3D objects to hear its name
- 60 lessons from Pre-A1 to B2
- Listening, speaking, reading and writing practice
- A 10k-word dictionary
Want one like this?
We can build something in the same spirit for your brand, school or product, and show you a free concept first.


Playwatch Academy
Playwatch Academy is a 3D learning world built for Playwatch in the US. Gabby, the guide, flies kids to Reading Island, Math Mountain, the Science Lab and the Coding Rocket, and every lesson follows the same rhythm: Watch · Read · Play · Do · Quiz.


Doris Academy
Doris Academy puts Vietnam’s full national curriculum (GDPT 2018) for grades 1–12 into one bilingual 3D world, with key points, worked examples and scored practice for every lesson. It installs like an app and keeps working offline.


DorisEdu Kids
DorisEdu Kids is a bilingual learning universe for kids aged 2 to 10: Vietnamese kids learn English and kids abroad learn Vietnamese, through videos, stories, games and voiced lessons. Ad-free and parent-approved.
Let’s grow something people come back to.
Have a brand, a school, a learning product or a website that deserves to feel special? Tell us what you’re building. We usually reply within a day and are happy to send a free concept first.
