[release] Add a main branch to serve as the landing page
diff --git a/README.md b/README.md
index 6459b93..fa8dabf 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,15 @@
-# Stateful Functions Playground
+# Apache Flink Stateful Functions Playground
+
+This repository contains tutorials and examples for [Stateful Functions](https://flink.apache.org/stateful-functions.html). The material here is a great starting point if you've just started with getting to know the project or looking for specific examples of common usage patterns.
+
+## Checkout a release branch
+
+**All tutorials and examples are located in release branches on this repository**. Click on one of the versions below to navigate to the corresponding version branch, or simply copy-paste the git commands to locally clone the branch:
+
+- [`StateFun 3.0 series`](https://github.com/apache/flink-statefun-playground/tree/release-3.0), or:
+  ```
+  $ git clone -b release-3.0 https://github.com/apache/flink-statefun-playground.git
+  $ cd flink-statefun-playground
+  ```
+
+Afterwards, consult the `README` under the version branch to proceed with learning the tutorials and examples.