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 [Play Store](https://play.google.com/store/apps/details?id=net.defined.mobile_nebula&hl=en_US&gl=US) | [App Store](https://apps.apple.com/us/app/mobile-nebula/id1509587936)
 
-See [contributing](CONTRIBUTING.md) for dev-related instructions.
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+Nebula is an overlay networking tool designed to be fast, secure, and scalable. Connect any number of hosts with on-demand, encrypted tunnels that work across any IP networks and without opening firewall ports.
+
+Mobile Nebula brings this functionality to devices running Android and iOS.
+
+This code is **source-available** meaning that the source is provided for viewing, but we are **not accepting contributions** and provide no license past what the [GitHub Terms of Service](https://docs.github.com/en/site-policy/github-terms/github-terms-of-service#5-license-grant-to-other-users) permit.
+
+See [contributing](CONTRIBUTING.md) for dev-related instructions if you are a Defined Networking employee.
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