All projects build on Windows.

src/Mobile/eShopOnContainers/eShopOnContainers.Droid/eShopOnContainers.Droid.csproj.bak

@@ -18,7 +18,7 @@
     <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
     <AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
     <AndroidUseLatestPlatformSdk>true</AndroidUseLatestPlatformSdk>
-    <TargetFrameworkVersion>v7.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v8.0</TargetFrameworkVersion>
     <AndroidSupportedAbis>armeabi,armeabi-v7a,x86</AndroidSupportedAbis>
     <AndroidStoreUncompressedFileExtensions />
     <MandroidI18n />
@@ -396,6 +396,12 @@
   <ItemGroup>
     <AndroidResource Include="Resources\drawable\default_campaign.png" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\eShopOnContainers.Core\eShopOnContainers.Core.csproj">
+      <Project>{ba96a12c-4ee3-46c4-bb3f-f811b554cd01}</Project>
+      <Name>eShopOnContainers.Core</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.CSharp.targets" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>

src/Mobile/eShopOnContainers/eShopOnContainers.TestRunner.Windows/eShopOnContainers.TestRunner.Windows.csproj

@@ -121,6 +121,10 @@
     </ApplicationDefinition>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\eShopOnContainers.Core\eShopOnContainers.Core.csproj">
+      <Project>{ba96a12c-4ee3-46c4-bb3f-f811b554cd01}</Project>
+      <Name>eShopOnContainers.Core</Name>
+    </ProjectReference>
     <ProjectReference Include="..\eShopOnContainers.UnitTests\eShopOnContainers.UnitTests.csproj">
       <Project>{f7b6a162-bc4d-4924-b16a-713f9b0344e7}</Project>
       <Name>eShopOnContainers.UnitTests</Name>