diff --git a/Contactos/Contactos.Android/Contactos.Android.csproj b/Contactos/Contactos.Android/Contactos.Android.csproj
index 3fb8f2d..8dcd03c 100644
--- a/Contactos/Contactos.Android/Contactos.Android.csproj
+++ b/Contactos/Contactos.Android/Contactos.Android.csproj
@@ -30,7 +30,7 @@
     <AndroidLinkMode>None</AndroidLinkMode>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
+    <DebugSymbols>false</DebugSymbols>
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release</OutputPath>
@@ -38,6 +38,10 @@
     <WarningLevel>4</WarningLevel>
     <AndroidManagedSymbols>true</AndroidManagedSymbols>
     <AndroidUseSharedRuntime>false</AndroidUseSharedRuntime>
+    <EnableProguard>true</EnableProguard>
+    <AndroidSupportedAbis>armeabi-v7a;x86;x86_64;arm64-v8a</AndroidSupportedAbis>
+    <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
+    <AndroidCreatePackagePerAbi>true</AndroidCreatePackagePerAbi>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Mono.Android" />