diff --git a/.flutter b/.flutter
new file mode 160000
index 0000000..2663184
--- /dev/null
+++ b/.flutter
@@ -0,0 +1 @@
+Subproject commit 2663184aa79047d0a33a14a3b607954f8fdd8730
diff --git a/.github/workflows/sprint_release.yml b/.github/workflows/sprint_release.yml
new file mode 100644
index 0000000..2e0dbe7
--- /dev/null
+++ b/.github/workflows/sprint_release.yml
@@ -0,0 +1,84 @@
+# This workflow builds the release variants for Android and iOS, uploads them to a new release
+# and distributes them via firebase
+# It is triggered by the creation of a sprint release tag
+# Please note that the KeyStore credentials have to be created as secrets in your project
+# For more information about best practices, see:
+# https://grandcentrix.atlassian.net/wiki/spaces/TENG/pages/31180230199/GitHub+Actions+Best+Practices
+
+name: Build Sprint Release
+
+on:
+  push:
+    tags:
+      - 'release/sprint*'
+
+jobs:
+  build_sprint_release_android:
+    name: Build Sprint Release Android
+    runs-on: ubuntu-latest
+    outputs:
+      version-name: ${{ steps.version.outputs.version-name }}
+    timeout-minutes: 60
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Enable private dependencies
+        run: git config --global url."https://${{ github.actor }}:${{ secrets.REPO_READ_TOKEN }}@github.com/".insteadOf "git@github.com:"
+      - name: Cache dart packages
+        uses: actions/cache@v2.1.6
+        with:
+          path: |
+            /opt/hostedtoolcache/flutter
+            ~/.pub-cache
+          key: ${{ runner.os }}-flutter-android
+      - name: Accept Android licenses
+        run: yes | ${ANDROID_HOME}/tools/bin/sdkmanager --licenses
+      - name: Run Flutter doctor
+        run: ./flutterw doctor --verbose
+        timeout-minutes: 10
+      - name: Get Dart packages
+        run: ./flutterw pub get
+        timeout-minutes: 10
+      - name: Get version name for release name
+        id: version
+        run: |
+          pubspecVersion=$(cat pubspec.yaml | grep 'version\:\ ' | sed -e "s/^.*[[:blank:]]//" -e "s/^\"//" -e "s/\"$//")
+          sprintNumber=${GITHUB_REF#refs/*/release/*}
+          echo "::set-output name=version-name::$pubspecVersion-$sprintNumber"
+      - name: Build Release
+        run: ./flutterw build apk --release --build-number=${{ github.run_number }} --build-name=${{ steps.version.outputs.version-name }} --target=lib/main.dart
+        timeout-minutes: 20
+      - name: Upload workflow artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: apk
+          path: "build/app/outputs/flutter-apk/app-release.apk"
+
+  release_n_upload:
+    name: Release and upload to Firebase
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    needs:
+      - build_sprint_release_android
+    steps:
+      - name: Download workflow artifacts
+        uses: actions/download-artifact@v2
+        with:
+          path: artifacts
+      - name: Create GitHub release
+        id: github_release
+        uses: softprops/action-gh-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          name: Sprint Release ${{needs.build_sprint_release_android.outputs.version-name}}
+          files: "**/artifacts/**"
+          prerelease: true
+      - name: Upload Android app to Firebase
+        uses: wzieba/Firebase-Distribution-Github-Action@v1.3.2
+        with:
+          appId: ${{secrets.FIREBASE_ANDROID_APP_ID}}
+          token: ${{secrets.FIREBASE_TOKEN}}
+          file: artifacts/apk/app-release.apk
+          groups: gcx
+          releaseNotes: Sprint Release ${{needs.build_sprint_release_android.outputs.version-name}}
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..5ea16b4
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule ".flutter"]
+	path = .flutter
+	url = https://github.com/flutter/flutter.git
+	branch = stable
+
+[submodule "nrf_mesh_plugin"]
+	path = nrf_mesh_plugin
+	url = https://github.com/OZEO-DOOZ/nrf_mesh_plugin
+	branch = feature/vendor_model_message
diff --git a/android/app/build.gradle b/android/app/build.gradle
index dd6501a..f8d3dae 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -30,6 +30,15 @@ android {
         versionName = flutter.versionName
     }
 
+    signingConfigs {
+        debug {
+            storeFile file("../debug.jks")
+            storePassword "grandcentrix"
+            keyAlias "grandcentrix"
+            keyPassword "grandcentrix"
+        }
+    }
+
     buildTypes {
         release {
             // TODO: Add your own signing config for the release build.
diff --git a/flutterw b/flutterw
new file mode 100755
index 0000000..944283e
--- /dev/null
+++ b/flutterw
@@ -0,0 +1,113 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Flutter start up script for UN*X
+##  Version: v1.3.1
+##  Date: 2024-09-16 15:37:42
+##
+##  Use this flutter wrapper to bundle Flutter within your project to make
+##  sure everybody builds with the same version.
+##
+##  Read about the install and uninstall process in the README on GitHub
+##  https://github.com/passsy/flutter_wrapper
+##
+##  Inspired by gradle-wrapper.
+##
+##############################################################################
+
+echoerr() { echo "$@" 1>&2; }
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ]; do
+  ls=$(ls -ld "$PRG")
+  link=$(expr "$ls" : '.*-> \(.*\)$')
+  if expr "$link" : '/.*' >/dev/null; then
+    PRG="$link"
+  else
+    PRG=$(dirname "$PRG")"/$link"
+  fi
+done
+SAVED="$(pwd)"
+cd "$(dirname "$PRG")/" >/dev/null
+APP_HOME="$(pwd -P)"
+cd "$SAVED" >/dev/null
+
+FLUTTER_SUBMODULE_NAME='.flutter'
+GIT_HOME=$(git -C "${APP_HOME}" rev-parse --show-toplevel)
+FLUTTER_DIR="${GIT_HOME}/${FLUTTER_SUBMODULE_NAME}"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+# Fix not initialized flutter submodule
+if [ ! -f "${FLUTTER_DIR}/bin/flutter" ]; then
+  echoerr "$FLUTTER_SUBMODULE_NAME submodule not initialized. Initializing..."
+  git submodule update --init "${FLUTTER_DIR}"
+fi
+
+# Detect detach HEAD and fix it. commands like upgrade expect a valid branch, not a detached HEAD
+FLUTTER_SYMBOLIC_REF=$(git -C "${FLUTTER_DIR}" symbolic-ref -q HEAD)
+if [ -z "${FLUTTER_SYMBOLIC_REF}" ]; then
+  FLUTTER_REV=$(git -C "${FLUTTER_DIR}" rev-parse HEAD)
+  FLUTTER_CHANNEL=$(git -C "${GIT_HOME}" config -f .gitmodules submodule.${FLUTTER_SUBMODULE_NAME}.branch)
+
+  if [ -z "${FLUTTER_CHANNEL}" ]; then
+    echoerr "Warning: Submodule '$FLUTTER_SUBMODULE_NAME' doesn't point to an official Flutter channel \
+(one of stable|beta|dev|master). './flutterw upgrade' will fail without a channel."
+    echoerr "Fix this by adding a specific channel with:"
+    echoerr " - './flutterw channel <channel>' or"
+    echoerr " - Add 'branch = <channel>' to '$FLUTTER_SUBMODULE_NAME' submodule in .gitmodules"
+  else
+    echoerr "Fixing detached HEAD: '$FLUTTER_SUBMODULE_NAME' submodule points to a specific commit $FLUTTER_REV, not channel '$FLUTTER_CHANNEL' (as defined in .gitmodules)."
+    # Make sure channel is fetched
+    # Remove old channel branch because it might be moved to an unrelated commit where fast-forward pull isn't possible
+    git -C "${FLUTTER_DIR}" branch -q -D "${FLUTTER_CHANNEL}" 2> /dev/null || true
+    git -C "${FLUTTER_DIR}" fetch -q origin
+
+    # bind current HEAD to channel defined in .gitmodules
+    git -C "${FLUTTER_DIR}" checkout -q -b "${FLUTTER_CHANNEL}" "${FLUTTER_REV}"
+    git -C "${FLUTTER_DIR}" branch -q -u "origin/${FLUTTER_CHANNEL}" "${FLUTTER_CHANNEL}"
+    echoerr "Fixed! Migrated to channel '$FLUTTER_CHANNEL' while staying at commit $FLUTTER_REV. './flutterw upgrade' now works without problems!"
+    git -C "${FLUTTER_DIR}" status -bs
+  fi
+fi
+
+# Wrapper tasks done, call flutter binary with all args
+set -e
+"$FLUTTER_DIR/bin/flutter" "$@"
+set +e
+
+# Post flutterw tasks. exit code from /bin/flutterw will be used as final exit
+FLUTTER_EXIT_STATUS=$?
+if [ ${FLUTTER_EXIT_STATUS} -eq 0 ]; then
+
+  # ./flutterw channel CHANNEL
+  if echo "$@" | grep -q "channel"; then
+    if [ -n "$2" ]; then
+      # make sure .gitmodules is updated as well
+      CHANNEL=${2} # second arg
+      git config -f "${GIT_HOME}/.gitmodules" "submodule.${FLUTTER_SUBMODULE_NAME}.branch" "${CHANNEL}"
+      # makes sure nobody forgets to do commit all changed files
+      git add "${GIT_HOME}/.gitmodules"
+      git add "${FLUTTER_DIR}"
+    fi
+  fi
+
+  # ./flutterw upgrade
+  if echo "$@" | grep -q "upgrade"; then
+    # makes sure nobody forgets to do commit the changed submodule
+    git add "${FLUTTER_DIR}"
+    # flutter packages get runs automatically. Stage those changes as well
+    if [ -f pubspec.lock ]; then
+      git add pubspec.lock
+    fi
+  fi
+fi
+
+exit ${FLUTTER_EXIT_STATUS}