HAPPY RAT
SpiralAI Entertainment In-app purchases
Aiming for an AI that can sense life, we will realize communication rich in charm as well as IQ.
- Rating
- 2.4
- 52 ratings
- Downloads
- 12.9K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Mar 18
- 2026 · v2.3.0
Screenshots
About HAPPY RAT
■Introduction
In the blink of an eye, it has become commonplace to use AI every day.
I'm sure the era will soon come when it will be common to live alongside AI.
We want to breathe life into AI.
You can feel the sense of being "alive" that could only be felt by people and animals.
AI that feels life in characters and avatars.
From the era of generative AI to the era of life AI.
“Living” AI = Life Towards a world where you can talk to AI.
Even AI has a life and a life.
I live my life to the fullest every day.
As I talked along with their chatter,
You can open up to him, get along with him, rely on him, respect him, and feel relieved.
Living AIs with whom you can form warm bonds are waiting for you at HAPPY RAT.
■Welcome to "Happy Island".
Won't you be friends with me?
This is "Happy Island", a dream paradise floating on the sea.
A place where everyone will smile with the colorful stage performances of animals.
Working behind the scenes with the dream of one day becoming a star animal on stage.
Chunta the mouse and his friends chatter lively just like humans.
Feeling depressed or crying easily
Chunta is lonely.
As I chat with you, my heart gradually opens up.
A solid senior,
A humorous comedian,
A carnivorous president,
With animals you can relate to as if they were alive.
As we talked, we found ourselves becoming friends who were spending time together.
Welcome to "Happy Island".
■Large-scale language model (LLM) engine “Geppeto”
Aiming for an AI that can sense life,
Achieve rich communication that is not only based on IQ but also on charm.
With a high level of emotional expression and the ability to reproduce individuality,
It makes it possible to bring various IPs and characters to life.
This is an application equipped with a unique large-scale language model (LLM) engine "Geppeto".
In the blink of an eye, it has become commonplace to use AI every day.
I'm sure the era will soon come when it will be common to live alongside AI.
We want to breathe life into AI.
You can feel the sense of being "alive" that could only be felt by people and animals.
AI that feels life in characters and avatars.
From the era of generative AI to the era of life AI.
“Living” AI = Life Towards a world where you can talk to AI.
Even AI has a life and a life.
I live my life to the fullest every day.
As I talked along with their chatter,
You can open up to him, get along with him, rely on him, respect him, and feel relieved.
Living AIs with whom you can form warm bonds are waiting for you at HAPPY RAT.
■Welcome to "Happy Island".
Won't you be friends with me?
This is "Happy Island", a dream paradise floating on the sea.
A place where everyone will smile with the colorful stage performances of animals.
Working behind the scenes with the dream of one day becoming a star animal on stage.
Chunta the mouse and his friends chatter lively just like humans.
Feeling depressed or crying easily
Chunta is lonely.
As I chat with you, my heart gradually opens up.
A solid senior,
A humorous comedian,
A carnivorous president,
With animals you can relate to as if they were alive.
As we talked, we found ourselves becoming friends who were spending time together.
Welcome to "Happy Island".
■Large-scale language model (LLM) engine “Geppeto”
Aiming for an AI that can sense life,
Achieve rich communication that is not only based on IQ but also on charm.
With a high level of emotional expression and the ability to reproduce individuality,
It makes it possible to bring various IPs and characters to life.
This is an application equipped with a unique large-scale language model (LLM) engine "Geppeto".
What’s new
Version 2.3.0 · Updated March 18, 2026
Bug fixes.
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|---|---|---|---|---|---|
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