diff --git a/.gitea/workflows/build-apk.yml b/.gitea/workflows/build-apk.yml
index fb1f7ff..2985320 100644
--- a/.gitea/workflows/build-apk.yml
+++ b/.gitea/workflows/build-apk.yml
@@ -27,6 +27,22 @@ jobs:
       - name: Grant execute permission
         run: chmod +x ./gradlew
 
+      - name: Update version in assets
+        run: |
+          set -e
+          TAG="${{ github.ref_name }}"
+          # Jeśli tag jest pusty (np. push nie na tag), użyjemy skróconego SHA
+          if [ -z "$TAG" ] || [ "$TAG" = "main" ]; then
+            TAG=$(git rev-parse --short HEAD)
+          fi
+          echo "Setting version to: $TAG"
+          # Aktualizacja pliku js/version.js
+          echo "const APP_VERSION = '$TAG';" > app/src/main/assets/js/version.js
+          echo "document.addEventListener('DOMContentLoaded', () => {
+            const el = document.getElementById('app-version') || document.getElementById('commit-sha');
+            if (el) el.textContent = '$TAG';
+          });" >> app/src/main/assets/js/version.js
+
       - name: Build APK
         run: ./gradlew assembleRelease
 
@@ -116,6 +132,7 @@ jobs:
 
           OWNER="${{ github.repository_owner }}"
           REPO_NAME=$(echo "${{ github.repository }}" | cut -d/ -f2)
+          TAG="${{ github.ref_name }}"
 
           if [ -z "$APK_PATH" ]; then
             echo "APK_PATH not set" >&2
@@ -126,8 +143,20 @@ jobs:
             exit 1
           fi
 
-          UPLOAD_URL="$API_BASE/repos/$OWNER/$REPO_NAME/releases/$RELEASE_ID/assets?name=$(basename $APK_PATH)"
-          echo "Uploading $APK_PATH to $UPLOAD_URL"
+          # Tworzymy ładną nazwę dla pliku
+          FRIENDLY_NAME="Matma-${TAG}.apk"
+          cp "$APK_PATH" "./$FRIENDLY_NAME"
 
-          curl --fail -H "Authorization: token $GITEA_TOKEN" -H "Content-Type: application/octet-stream" \
-            --data-binary @"$APK_PATH" "$UPLOAD_URL"
+          UPLOAD_URL="$API_BASE/repos/$OWNER/$REPO_NAME/releases/$RELEASE_ID/assets?name=$FRIENDLY_NAME"
+          echo "Uploading $FRIENDLY_NAME to $UPLOAD_URL"
+
+          curl --fail -s -H "Authorization: token $GITEA_TOKEN" \
+               -H "Content-Type: application/octet-stream" \
+               --data-binary @"./$FRIENDLY_NAME" \
+               "$UPLOAD_URL"
+
+          # Dodanie bezpośredniego linku do podsumowania buildu w Gitea
+          DOWNLOAD_URL="${SERVER_CLEAN}/${OWNER}/${REPO_NAME}/releases/download/${TAG}/${FRIENDLY_NAME}"
+          echo "### ✅ APK gotowy do pobrania!" >> $GITHUB_STEP_SUMMARY
+          echo "[Pobierz plik $FRIENDLY_NAME]($DOWNLOAD_URL)" >> $GITHUB_STEP_SUMMARY
+          echo "Adres: $DOWNLOAD_URL" >> $GITHUB_STEP_SUMMARY
diff --git a/app/src/main/assets/czytanie.html b/app/src/main/assets/czytanie.html
index 45c08d3..66799d7 100644
--- a/app/src/main/assets/czytanie.html
+++ b/app/src/main/assets/czytanie.html
@@ -52,9 +52,17 @@
     </div>
 
     <div id="footer-placeholder"></div>
+    <header class="app-header">
+      <button id="back-btn" class="app-nav-btn">← Menu</button>
+      <div class="header-title">Nauka Czytania</div>
+    </header>
+    <footer class="app-footer" style="text-align: center; padding: 1rem; font-size: 0.8rem; color: #64748b;">
+      Wersja: <span id="app-version">...</span>
+    </footer>
     <script src="js/nav.js?v=20260521"></script>
     <script src="js/czytanie.js?v=20260524"></script>
     <script src="js/components.js"></script>
+    <script src="js/version.js"></script>
     <script>
       // Ładowanie nagłówka i stopki
       loadComponent('components/header.html', {
diff --git a/app/src/main/assets/dyktando.html b/app/src/main/assets/dyktando.html
index 82ee531..5f6a7aa 100644
--- a/app/src/main/assets/dyktando.html
+++ b/app/src/main/assets/dyktando.html
@@ -59,9 +59,13 @@
     </div>
 
     <div id="footer-placeholder"></div>
+    <footer class="app-footer" style="text-align: center; padding: 1rem; font-size: 0.8rem; color: #64748b;">
+      Wersja: <span id="app-version">...</span>
+    </footer>
     <script src="js/nav.js?v=20260521"></script>
     <script src="js/dyktando.js?v=20260524"></script>
     <script src="js/components.js"></script>
+    <script src="js/version.js"></script>
     <script>
       loadComponent('components/header.html', {
         '{TITLE}': '✏️ Dyktando',
diff --git a/app/src/main/assets/dzielenie.html b/app/src/main/assets/dzielenie.html
index 49e2e81..4acedc1 100644
--- a/app/src/main/assets/dzielenie.html
+++ b/app/src/main/assets/dzielenie.html
@@ -95,9 +95,13 @@
   </div>
 
   <div id="footer-placeholder"></div>
+  <footer class="app-footer" style="text-align: center; padding: 1rem; font-size: 0.8rem; color: #64748b;">
+      Wersja: <span id="app-version">...</span>
+    </footer>
   <script src="js/nav.js?v=20260521"></script>
   <script src="js/dzielenie.js?v=20260524"></script>
   <script src="js/components.js"></script>
+  <script src="js/version.js"></script>
   <script>
     loadComponent('components/header.html', {
       '{TITLE}': '÷ Nauka Dzielenia',
diff --git a/app/src/main/assets/mnozenie.html b/app/src/main/assets/mnozenie.html
index 8d54002..13dfc76 100644
--- a/app/src/main/assets/mnozenie.html
+++ b/app/src/main/assets/mnozenie.html
@@ -95,9 +95,13 @@
   </div>
 
   <div id="footer-placeholder"></div>
+  <footer class="app-footer" style="text-align: center; padding: 1rem; font-size: 0.8rem; color: #64748b;">
+      Wersja: <span id="app-version">...</span>
+    </footer>
   <script src="js/nav.js?v=20260521"></script>
   <script src="js/mnozenie.js?v=20260524"></script>
   <script src="js/components.js"></script>
+  <script src="js/version.js"></script>
   <script>
     loadComponent('components/header.html', {
       '{TITLE}': '× Nauka Mnożenia',
diff --git a/app/src/main/assets/testy.html b/app/src/main/assets/testy.html
index 53b2239..833576b 100644
--- a/app/src/main/assets/testy.html
+++ b/app/src/main/assets/testy.html
@@ -148,6 +148,9 @@
   </div>
 
   <div id="footer-placeholder"></div>
+  <footer class="app-footer" style="text-align: center; padding: 1rem; font-size: 0.8rem; color: #64748b;">
+      Wersja: <span id="app-version">...</span>
+    </footer>
   <script src="js/version.js?v=20260521" defer></script>
   <script src="js/nav.js?v=20260521"></script>
   <script src="js/app.js?v=20260524"></script>