diff --git a/.github/stale.yml b/.github/stale.yml
new file mode 100644
index 000000000..15eb87963
--- /dev/null
+++ b/.github/stale.yml
@@ -0,0 +1,59 @@
+# Configuration for probot-stale - https://github.com/probot/stale
+
+# Number of days of inactivity before an Issue or Pull Request becomes stale
+daysUntilStale: 360
+
+# Number of days of inactivity before an Issue or Pull Request with the stale label is closed.
+# Set to false to disable. If disabled, issues still need to be closed manually, but will remain marked as stale.
+daysUntilClose: 90
+
+# Only issues or pull requests with all of these labels are check if stale. Defaults to `[]` (disabled)
+onlyLabels: []
+
+# Issues or Pull Requests with these labels will never be considered stale. Set to `[]` to disable
+exemptLabels:
+  - pinned
+
+# Set to true to ignore issues in a project (defaults to false)
+exemptProjects: false
+
+# Set to true to ignore issues in a milestone (defaults to false)
+exemptMilestones: false
+
+# Set to true to ignore issues with an assignee (defaults to false)
+exemptAssignees: false
+
+# Label to use when marking as stale
+staleLabel: "stale"
+
+# Comment to post when marking as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. Please comment here if it is still valid so that we can
+  reprioritize. Thank you!
+
+# Comment to post when removing the stale label.
+# unmarkComment: >
+#   Your comment here.
+
+# Comment to post when closing a stale Issue or Pull Request.
+closeComment: >
+  Closing this. Please reopen if you believe it should be addressed. Thank you for your contribution.
+
+# Limit the number of actions per hour, from 1-30. Default is 30
+limitPerRun: 20
+
+# Limit to only `issues` or `pulls`
+# only: issues
+
+# Optionally, specify configuration settings that are specific to just 'issues' or 'pulls':
+# pulls:
+#   daysUntilStale: 30
+#   markComment: >
+#     This pull request has been automatically marked as stale because it has not had
+#     recent activity. It will be closed if no further activity occurs. Thank you
+#     for your contributions.
+
+# issues:
+#   exemptLabels:
+#     - confirmed
diff --git a/.github/workflows/Android-CI-Espresso.yml b/.github/workflows/Android-CI-Espresso.yml
new file mode 100644
index 000000000..a594f36da
--- /dev/null
+++ b/.github/workflows/Android-CI-Espresso.yml
@@ -0,0 +1,85 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+      - cleanup-bc
+  pull_request:
+    branches:
+      - master
+      - cleanup-bc
+
+jobs:
+  BuildAndTest:
+    name: Build and Test on JDK ${{ matrix.java_version }}
+    runs-on: macOS-latest
+    strategy:
+      matrix:
+        java_version: [1.8]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: true
+          fetch-depth: 0 # 0 indicates all history
+      - name: Install JDK ${{ matrix.java_version }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java_version }}
+      - name: Install Android SDK
+        uses: malinskiy/action-android/install-sdk@release/0.1.0
+      - name: Build project
+        run: ./gradlew assemble
+      - name: Run tests
+        run: ./gradlew test
+      - name: Archive UnitTest report
+        uses: actions/upload-artifact@v2
+        if: failure()
+        with:
+          name: UnitTest-report
+          path: ${{ github.workspace }}/**/build/reports/tests/testDebugUnitTest
+  Check:
+    name: Check
+    runs-on: macOS-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: true
+          fetch-depth: 0 # 0 indicates all history
+      - name: Install JDK ${{ matrix.java_version }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Install Android SDK
+        uses: malinskiy/action-android/install-sdk@release/0.1.0
+      - name: Build project
+        run: ./gradlew lint
+  Espresso:
+    runs-on: macOS-latest
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - name: set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Install Android SDK
+        uses: malinskiy/action-android/install-sdk@release/0.1.0
+      - name: Run instrumentation tests
+        uses: malinskiy/action-android/emulator-run-cmd@release/0.1.0
+        with:
+          cmd: ./gradlew connectedFdroidDebugAndroidTest
+          api: 28
+          tag: default
+          abi: x86
+      - name: Archive Espresso results
+        uses: actions/upload-artifact@v2
+        if: failure()
+        with:
+          name: Espresso-report
+          path: ./**/build/reports/androidTests/connected
+