diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 69b58791..2987141f 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -28,17 +28,17 @@ jobs:
       run: cmake -E make_directory ${{github.workspace}}/build
 
     - name: Install Flutter Engine library
-      #run: |
-      #  echo `curl https://raw.githubusercontent.com/flutter/flutter/master/bin/internal/engine.version` > embedder.version
-      #  export FLUTTER_ENGINE=`cat embedder.version`
-      #  curl -O https://storage.googleapis.com/flutter_infra/flutter/${FLUTTER_ENGINE}/linux-x64/linux-x64-embedder
-      #  ls
-      #  unzip linux-x64-embedder
-      #  mv libflutter_engine.so ${{github.workspace}}/build
       run: |
-        curl -L https://github.com/sony/flutter-embedded-linux/releases/latest/download/elinux-x64-release.zip > elinux-x64-release.zip
-        unzip elinux-x64-release.zip
+        echo `curl https://raw.githubusercontent.com/flutter/flutter/flutter-3.38-candidate.0/bin/internal/engine.version` > embedder.version
+        export FLUTTER_ENGINE=`cat embedder.version`
+        curl -O https://storage.googleapis.com/flutter_infra_release/flutter/${FLUTTER_ENGINE}/linux-x64/linux-x64-embedder.zip
+        ls
+        unzip linux-x64-embedder
         mv libflutter_engine.so ${{github.workspace}}/build
+      #run: |
+        #curl -L https://github.com/sony/flutter-embedded-linux/releases/latest/download/elinux-x64-release.zip > elinux-x64-release.zip
+        #unzip elinux-x64-release.zip
+        #mv libflutter_engine.so ${{github.workspace}}/build
 
     - name: Configure CMake for wayland client
       shell: bash
@@ -54,7 +54,7 @@ jobs:
     - name: Configure CMake for drm backend with GBM
       shell: bash
       working-directory: ${{github.workspace}}/build
-      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DUSER_PROJECT_PATH=examples/flutter-drm-gbm-backend ..
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DBUILD_ELINUX_SO=ON -DBACKEND_TYPE=DRM-GBM -DUSER_PROJECT_PATH=examples/flutter-drm-gbm-backend ..
 
     - name: Build for drm backend with GBM
       working-directory: ${{github.workspace}}/build
@@ -64,7 +64,7 @@ jobs:
     - name: Configure CMake for drm backend with EGLStream
       shell: bash
       working-directory: ${{github.workspace}}/build
-      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DUSER_PROJECT_PATH=examples/flutter-drm-eglstream-backend ..
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DBUILD_ELINUX_SO=ON -DBACKEND_TYPE=DRM-EGLSTREAM -DUSER_PROJECT_PATH=examples/flutter-drm-eglstream-backend ..
 
     - name: Build for drm backend with EGLStream
       working-directory: ${{github.workspace}}/build
@@ -74,7 +74,7 @@ jobs:
     - name: Configure CMake for x11 backend
       shell: bash
       working-directory: ${{github.workspace}}/build
-      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DUSER_PROJECT_PATH=examples/flutter-x11-client ..
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DBUILD_ELINUX_SO=ON -DBACKEND_TYPE=X11 -DUSER_PROJECT_PATH=examples/flutter-x11-client ..
 
     - name: Build for x11 backend
       working-directory: ${{github.workspace}}/build
@@ -90,3 +90,16 @@ jobs:
       working-directory: ${{github.workspace}}/build
       shell: bash
       run: cmake --build . --config $BUILD_TYPE
+
+    - name: List build output files
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: ls ${{github.workspace}}/build
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v6
+      with:
+        name: build-artifacts
+        path: ${{github.workspace}}/build
+
+
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 00000000..04f7f457
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,104 @@
+name: build
+
+on: [pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        build-type: [ Release, Debug, Profile ]
+
+    steps:
+    - uses: actions/checkout@v6
+
+    - name: Install libraries
+      run: |
+        sudo apt update
+        sudo apt install clang-format
+        sudo apt install libgles2-mesa-dev libegl1-mesa-dev libxkbcommon-dev libwayland-dev libdrm-dev libgbm-dev libinput-dev libudev-dev libsystemd-dev wayland-protocols libx11-dev
+
+    #- name: Verify formatting
+      #run: |
+        #find src/flutter/shell/platform/linux_embedded/ -iname *.h -o -iname *.cc | xargs clang-format --dry-run --Werror
+        #find src/client_wrapper -iname *.h -o -iname *.cc | xargs clang-format --dry-run --Werror
+
+    - name: Create Build Environment
+      run: cmake -E make_directory ${{github.workspace}}/build
+
+    - name: Install Flutter Engine library
+      run: |
+        echo `curl https://raw.githubusercontent.com/flutter/flutter/flutter-3.38-candidate.0/bin/internal/engine.version` > embedder.version
+        export FLUTTER_ENGINE=`cat embedder.version`
+        curl -O https://storage.googleapis.com/flutter_infra_release/flutter/${FLUTTER_ENGINE}/linux-x64/linux-x64-embedder.zip
+        ls
+        unzip linux-x64-embedder
+        mv libflutter_engine.so ${{github.workspace}}/build
+      #run: |
+        #curl -L https://github.com/sony/flutter-embedded-linux/releases/latest/download/elinux-x64-release.zip > elinux-x64-release.zip
+        #unzip elinux-x64-release.zip
+        #mv libflutter_engine.so ${{github.workspace}}/build
+
+    - name: Configure CMake for wayland client
+      shell: bash
+      working-directory: ${{github.workspace}}/build
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=${{ matrix.build-type }} -DUSER_PROJECT_PATH=examples/flutter-wayland-client ..
+
+    - name: Build for wayland client
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      # Execute the build.  You can specify a specific target with "--target <NAME>"
+      run: cmake --build . --config ${{ matrix.build-type }}
+
+    - name: Configure CMake for drm backend with GBM
+      shell: bash
+      working-directory: ${{github.workspace}}/build
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=${{ matrix.build-type }} -DBUILD_ELINUX_SO=ON -DBACKEND_TYPE=DRM-GBM -DUSER_PROJECT_PATH=examples/flutter-drm-gbm-backend ..
+
+    - name: Build for drm backend with GBM
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: cmake --build . --config ${{ matrix.build-type }}
+
+    - name: Configure CMake for drm backend with EGLStream
+      shell: bash
+      working-directory: ${{github.workspace}}/build
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=${{ matrix.build-type }} -DBUILD_ELINUX_SO=ON -DBACKEND_TYPE=DRM-EGLSTREAM -DUSER_PROJECT_PATH=examples/flutter-drm-eglstream-backend ..
+
+    - name: Build for drm backend with EGLStream
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: cmake --build . --config ${{ matrix.build-type }}
+
+    - name: Configure CMake for x11 backend
+      shell: bash
+      working-directory: ${{github.workspace}}/build
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=${{ matrix.build-type }} -DBUILD_ELINUX_SO=ON -DBACKEND_TYPE=X11 -DUSER_PROJECT_PATH=examples/flutter-x11-client ..
+
+    - name: Build for x11 backend
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: cmake --build . --config ${{ matrix.build-type }}
+
+    - name: Configure CMake to build libflutter_elinux.so
+      shell: bash
+      working-directory: ${{github.workspace}}/build
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=${{ matrix.build-type }} -DBUILD_ELINUX_SO=ON -DBACKEND_TYPE=WAYLAND ..
+
+    - name: Build libflutter_elinux.so
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: cmake --build . --config ${{ matrix.build-type }}
+
+    - name: List build output files
+      working-directory: ${{github.workspace}}/build
+      shell: bash
+      run: ls ${{github.workspace}}/build
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v6
+      with:
+        name: build-artifacts-${{ matrix.build-type }}
+        path: ${{github.workspace}}/build
+
+
diff --git a/README.md b/README.md
index c5c6bd64..6f4b8330 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Embedded Linux (eLinux) embedding for Flutter
+# Embedded Linux (eLinux) embedding for Flutter at Agtonomy
 ![image](https://github.com/sony/flutter-elinux/blob/main/doc/images/overview.png)
 
 [![build-test](https://github.com/sony/flutter-embedded-linux/actions/workflows/build-test.yml/badge.svg)](https://github.com/sony/flutter-embedded-linux/actions/workflows/build-test.yml)