diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c6733bc..86ce20be 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
       - main
 
 concurrency:
-  group: ${{ github.ref }}
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 defaults:
@@ -162,28 +162,27 @@ jobs:
     uses: ./.github/workflows/python-package-create.yml
     with:
       repository: beeware/${{ matrix.repo }}
-      tox-source: ${{ matrix.tox-source }}
-      tox-factors: ${{ matrix.tox-factors }}
-      distribution-path: ${{ matrix.dist-path }}
       build-subdirectory: ${{ matrix.build-subdir }}
+      runner-os: ${{ matrix.runner-os }}
     strategy:
       fail-fast: false
       matrix:
-        repo: [ briefcase, gbulb, rubicon-objc, toga ]
+        name: [ briefcase, gbulb, rubicon-objc, toga, toga-android ]
         include:
-        - tox-source: .[dev]
-        - dist-path: dist
-        - repo: briefcase
-          tox-source: .[dev]
-          tox-factors: -with-automation
-          dist-path: dist
-        - repo: gbulb
-          tox-source: tox
-          dist-path: dist
-        - repo: toga
-          tox-source: ./core[dev]
-          dist-path: "*/dist/*"
+        - runner-os: ubuntu-latest
+        - name: briefcase
+          repo: briefcase
+        - name: gbulb
+          repo: gbulb
+        - name: rubicon-objc
+          repo: rubicon-objc
+          runner-os: macos-14
+        - name: toga
+          repo: toga
           build-subdir: core
+        - name: toga-android
+          repo: toga
+          build-subdir: android
 
   test-verify-projects-briefcase:
     name: Verify Project
diff --git a/.github/workflows/python-package-create.yml b/.github/workflows/python-package-create.yml
index 5147069c..feee8859 100644
--- a/.github/workflows/python-package-create.yml
+++ b/.github/workflows/python-package-create.yml
@@ -7,30 +7,14 @@ name: Create Python Package
 on:
   workflow_call:
     inputs:
-      python-version:
-        description: "Python version to use; defaults to latest Python release."
-        default: "3.X"
-        type: string
       repository:
         description: "GitHub repository to checkout; defaults to repo running this workflow."
         default: ${{ github.repository }}
         type: string
-      tox-source:
-        description: "The arguments for `pip install` to install tox; use ./path/to/package[dev] for the repo's pinned version."
-        default: ".[dev]"
-        type: string
-      tox-factors:
-        description: "The tox factors to append to the package command."
-        default: ""
-        type: string
       build-subdirectory:
         description: "The subdirectory to build as a wheel."
         default: ""
         type: string
-      distribution-path:
-        description: "Relative filepath to distribution(s); e.g. */dist/*"
-        default: "dist"
-        type: string
       runner-os:
         description: "Runner OS to use to run tox; defaults to ubuntu-latest"
         default: "ubuntu-latest"
@@ -53,13 +37,19 @@ jobs:
   package:
     name: Create Python Package
     runs-on: ${{ inputs.runner-os }}
+    permissions:
+      id-token: write
+      contents: read
+      attestations: write
     outputs:
-      artifact-name: packages-${{ steps.package.outputs.name }}
+      artifact-name: "Packages-${{ steps.package.outputs.name }}"
     steps:
 
       - name: Determine Package Name
-        id: package
-        run: echo "name=$(basename '${{ inputs.repository }}')" >> ${GITHUB_OUTPUT}
+        id: config
+        run: |
+          NAME=$(basename '${{ inputs.repository }}')${{ inputs.build-subdirectory && format('-{0}', inputs.build-subdirectory) || '' }}
+          echo "package-name=${NAME}" | tee -a ${GITHUB_OUTPUT}
 
       - name: Checkout
         uses: actions/checkout@v4.1.6
@@ -67,32 +57,8 @@ jobs:
           repository: ${{ inputs.repository }}
           fetch-depth: 0  # Fetch all refs so setuptools_scm can generate the correct version number
 
-      - name: Setup Python
-        uses: actions/setup-python@v5.1.0
-        with:
-          python-version: ${{ inputs.python-version }}
-          cache: pip
-          cache-dependency-path: |
-            **/setup.cfg
-            **/pyproject.toml
-
-      - name: Update pip
-        run: python -m pip install -U pip
-
-      - name: Install tox
-        run: python -m pip install ${{ inputs.tox-source }}
-
-      - name: Build Wheels
-        if: inputs.build-subdirectory == ''
-        run: tox -e package${{ inputs.tox-factors }}
-
-      - name: Build Wheels from Subdirectory
-        if: inputs.build-subdirectory != ''
-        run: tox -e package${{ inputs.tox-factors }} -- ${{ inputs.build-subdirectory }}
-
-      - name: Upload Package
-        uses: actions/upload-artifact@v4.3.3
+      - name: Build & Upload Package
+        uses: hynek/build-and-inspect-python-package@v2.5.0
         with:
-          name: packages-${{ steps.package.outputs.name }}${{ inputs.build-subdirectory && format('-{0}', inputs.build-subdirectory) || '' }}
-          path: ${{ inputs.distribution-path }}
-          if-no-files-found: error
+          path: ${{ inputs.build-subdirectory || '.' }}
+          upload-name-suffix: ${{ format('-{0}', steps.config.outputs.package-name) }}