diff --git a/metadata/ch.corona.tracing.yml b/metadata/ch.corona.tracing.yml
new file mode 100644
index 0000000000..c6f34c9051
--- /dev/null
+++ b/metadata/ch.corona.tracing.yml
@@ -0,0 +1,38 @@
+Categories:
+  - Sports & Health
+License: MPL-2.0
+SourceCode: https://github.com/c4dt/dp3t-app-android-ch/
+IssueTracker: https://github.com/c4dt/dp3t-app-android-ch/issues
+
+RepoType: git
+Repo: https://github.com/c4dt/dp3t-app-android-ch/
+
+Builds:
+  - versionName: 1.3.1+nogaen-1
+    versionCode: 13010
+    commit: nogaen-1
+    subdir: app
+    gradle:
+      - prod
+    srclibs:
+      - dp3t-sdk@nogaen-1
+    rm:
+      - app/testKeystore
+    build:
+      - pushd $$dp3t-sdk$$/dp3t-sdk
+      - ./gradlew assembleProdRelease -PversionNoGaen=+nogaen-1
+      - popd
+      - mkdir -p ./libs
+      - cp $$dp3t-sdk$$/dp3t-sdk/sdk/build/outputs/aar/sdk-production-release.aar
+        ./libs/
+    gradleprops:
+      - versionNoGaen=+nogaen-1
+
+MaintainerNotes: |-
+    There is a lint error during the build phase that has not yet been worked out.
+    It is currently ignored and should have no consequence on the app.
+
+AutoUpdateMode: None
+UpdateCheckMode: Tags nogaen-\d+$
+CurrentVersion: 1.3.1+nogaen-1
+CurrentVersionCode: 13010
diff --git a/srclibs/dp3t-sdk.yml b/srclibs/dp3t-sdk.yml
new file mode 100644
index 0000000000..77b9b38d09
--- /dev/null
+++ b/srclibs/dp3t-sdk.yml
@@ -0,0 +1,2 @@
+RepoType: git
+Repo: https://github.com/c4dt/dp3t-sdk-android/