# hello world Testnet App Live on Polygon

**Published by:** [hello world](https://paragraph.com/@helloworldnews/)
**Published on:** 2023-07-29
**URL:** https://paragraph.com/@helloworldnews/hello-world-testnet-app-live-on-polygon

## Content

The hello world testnet app is now live on Polygon’s Mumbai Network - try it at app.helloworld.news! Here’s how 👇 CONNECT your wallet app.helloworld.news ADD MUMBAI NETWORK to MetaMask Get testnet MATIC from the MATIC FAUCET Get testnet NEWS from the NEWS FAUCET Each thread is a Headline NFT on Mumbai - click on one to interact with it Mint or upvote comments by burning testnet NEWS - click ADD COMMENT or UPVOTE and follow the MetaMask prompts Owner of the most upvoted comment is awarded the Headline NFT at the end of each period 🤘🏻 Tell us what you think in Telegram!

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