It stopped working for reason after an update. You can get the emoji's from here and copy paste them in the channel names. Source: 7 months ago

Cautionary: I really liked Mumu, but the developer was a dick when it came to upgrades. His policy clearly stated that anyone who purchased in the last year would get a free upgrade, but when time came, and I asked for the upgrade, he told me (paraphrase) "No, I put too much effort into this release, you have to pay again", and it was already outrageously overpriced. I just check again, and he wants $50 for 1... Source: about 1 year ago

GetMumu a macOS app bootstrapped by Wilbert Liu has been acquired for 5 figures. Source: over 1 year ago

Yes. I’m building https://getmumu.com and the revenue is still growing strong over time. And it’s been fun to make something that earns money yet people love the product. - Source: Hacker News / over 2 years ago

Hey Redditors! As the Apple don’t give a f*ck about their emoji picker, I can’t be more excited that we eventually have a solution for it. And we shall call it.., Mumu X 😊 It's packed with things that give more power to your daily workflow. 🧠 5k+ GPT-3 powered synonyms 🤗 Personal synonyms 📌 Emoji bookmark 💥 Latest emoji support – currently 13.1 🗂️ Emoji groups 🎨 Skin tone changer 🗣️ Personal accent... Source: almost 3 years ago