PolyGPT – a ChatGPT powered multilingual speech trainer, just released! (Free app)

I developed an AI powered app before my OpenAI free trail expires. Please check out the product page: PolyGPT – Introduction

For App Store link: https://apps.apple.com/app/polygpt/id6448837757

It supports for iPhone/iPad/Mac with M1(+) chips.

Guys, I just wanted to insert the App Store link, so I googled the app name and see if there’s a link already. I found someone already developed a Chrome extension called PolyGPT, an exact same name! What’s more surprisingly, the described idea is similar!

I haven’t tried it. The screenshot of it looks very different, it’s designed like a double sided view of ChatGPT, not targeting to language learning only. One for each language, mostly for a foreign language and a mother language.

I respect anyone with somewhat similar ideas, or doing similar things!

Just to avoid possible misunderstandings, here are some details of the app developments.

I started developed the app on March, 2023. In fact, checking if the prompts work only take a few minutes, and making the main feature, getting responses in different languages, takes a few days. The most heavy work would actually be making the UI, how they look in different situations, integrating speech recognitions and text-to-speech, Unity ads, all kinds of tedious details to make it from just a single feature to a complete user-friendly app.

I started with the app name called Langpt. But then changed to PolyGPT because this get much easier to remember and the name sounds better.

Some app info were started being filled up from May 5th. The app was first uploaded on May 18th. Got rejected twice. First time for writing “PolyGPT = Polyglot + ChatGPT” in promotion.(Mentioning ChatGPT in promotion text is not allowed.) Second time for a bug, no responses if only one language is set.

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Realistic Bubble Wrap app and the Earth Day event

App Store link


If you didn’t notice(as I expect), I developed a bubble wrap simulator app called Realistic Bubble Wrap. And there’s an Earth Day event for the app.

Starting from the Earth Day(Apr 22nd) to Apr 29th, opening the app can unlock a new grass style look for free!

For details of the app, please check out the product page: tangochen.com/blog/?page_id=2701

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A procedural Spider Web that can be shot in VR – Introduction

I developed a spider man-alike spider web.
VR scene is included in the video.
Device: Quest 2.

More potentials with even more fun are coming (Not too soon).

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Hand Washing Reminder in Mixed Reality (Meta Quest w/ Passthrough)

While many videos of proposing how life would be in AR/MR are video edited with visual effects, here’s one that actually be programmed out and can be experienced in headset in real time.
You can expect everything goes colorful if this is using a future Quest device with a colored Passthrough view.

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The Wall between Virtuality and Reality

Be cautious in walking into reality.
VR device: Oculus Quest 2.

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VR/MR Escape Room Experience – What You Touch Is What You Get

My table and stuff got cleaned manually after this.

You can expect everything goes colorful if this is using a future Quest device with color passthrough view. Though for this scenario grayscale may just fit well.

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Casting Spells to Unveil the Real World in VR

Imaging the whole world is in dark. Only your hands are visible.
Now you’ve got the magic to unveil the real world.
Take a look to learn the skill for the future metaverse.

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Mixed Reality Home Experiences With Virtual Spheres And Cubes(Meta Quest Passthrough)

Imagining throwing virtual spheres and cubes that can interact with keyboard, iPhone, HomePod, Macbook and remote control in real life.

https://patreon.com/tangochen
Support on Patreon for:
– Behind-the-scenes videos of how this project is done. And more Patron-only contents.
– Your name in Special Thanks of future videos.
– Early-access to new project videos.

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Ring Display on Meta Quest Touch Controller

Showing text info and menu on Meta Quest Touch Controller.

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VR Full Body Tracking Using a Mirror

Experimenting with VR + mirror.
Same as the previous video, the Passthrough view is casted to my computer. And the full body tracking is done on computer using OpenPose.
Because Quest isn’t allowing apps to access actual Passthrough image.

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