docs: add Google Play Store badge and production rollout details

README.md

@@ -4,6 +4,7 @@
   <p><b>Gamify your goals. Conquer your peaks.</b></p>
 
   <p>
+    <a href="https://play.google.com/store/apps/details?id=com.gizano.levelup"><img src="https://img.shields.io/badge/Google_Play-414141?style=for-the-badge&logo=google-play&logoColor=white" alt="Google Play" /></a>
     <img src="https://img.shields.io/badge/React_Native-20232A?style=for-the-badge&logo=react&logoColor=61DAFB" alt="React Native" />
     <img src="https://img.shields.io/badge/Expo-1B1F23?style=for-the-badge&logo=expo&logoColor=white" alt="Expo" />
     <img src="https://img.shields.io/badge/TypeScript-007ACC?style=for-the-badge&logo=typescript&logoColor=white" alt="TypeScript" />
@@ -13,6 +14,12 @@
     <a href="https://codecov.io/gh/ClimbStack/climbstack-app"><img src="https://img.shields.io/codecov/c/github/ClimbStack/climbstack-app?style=for-the-badge&logo=codecov&logoColor=white" alt="Codecov" /></a>
   </p>
   <p><i>An open-source productivity engine, built by developers, for everyone.</i></p>
+
+  <p>
+    <a href="https://play.google.com/store/apps/details?id=com.gizano.levelup">
+      <img src="https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png" alt="Get it on Google Play" height="70" />
+    </a>
+  </p>
 </div>
 
 ClimbStack is a mobile app for long-term goal tracking, built around the metaphor of **mountain climbing**: every goal is a peak to reach, every sub-goal is a base camp along the way. It includes a weekly planner to organize your week in blocks and eliminate _decision fatigue_.
@@ -57,9 +64,26 @@ ClimbStack is a mobile app for long-term goal tracking, built around the metapho
 
 ---
 
-## 🚀 Quick Start
+## 🚀 Quick Start & Installation
+
+### 📥 Install from Google Play
+
+ClimbStack is officially in production on the Google Play Store for Android devices:
+
+<p align="center">
+  <a href="https://play.google.com/store/apps/details?id=com.gizano.levelup">
+    <img src="https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png" alt="Get it on Google Play" height="80">
+  </a>
+</p>
+
+- **Package Name:** `com.gizano.levelup`
+- **Google Play Link:** [Download on Google Play](https://play.google.com/store/apps/details?id=com.gizano.levelup)
+
+---
+
+### 💻 Local Development Setup
 
-### Prerequisites
+#### Prerequisites
 
 - [Node.js](https://nodejs.org/) (v18+)
 - [Expo CLI](https://docs.expo.dev/get-started/installation/)

ROADMAP.md

@@ -86,7 +86,7 @@ The time-blocking that solves the original problem: "I don't know what to do".
 
 ---
 
-## Phase 3 — Automation and CI/CD `[IN PROGRESS 🏗️]`
+## Phase 3 — Automation and CI/CD `[COMPLETED ✅]`
 
 ### 3.1 — Automated Build
 
@@ -103,6 +103,16 @@ The time-blocking that solves the original problem: "I don't know what to do".
 
 ---
 
+## Phase 4 — Production Release & Distribution `[LIVE 🚀]`
+
+- [x] Google Play Console setup & app signing
+- [x] Package identifier: `com.gizano.levelup`
+- [x] Production rollout on Google Play Store ([Direct Link](https://play.google.com/store/apps/details?id=com.gizano.levelup))
+- [x] Privacy policy and scientific citation (Zenodo DOI)
+- [x] Website & Landing Page with live install buttons (`climbstack.github.io`)
+
+---
+
 ## Backlog — Future ideas (not planned, not promised)
 
 > These features only exist here. Do not touch until Phase 2 is stable and used daily for at least 2 weeks.