diff --git a/src/Android/MainActivity.cs b/src/Android/MainActivity.cs
index a461e67e7..950a78dcd 100644
--- a/src/Android/MainActivity.cs
+++ b/src/Android/MainActivity.cs
@@ -105,6 +105,10 @@ namespace Bit.Android
             {
                 LaunchApp(args);
             });
+
+            var appid = Utilities.GetFacetID(Application, Process.MyUid());
+            Console.WriteLine("APPID: " + appid);
+            Utilities.SendCrashEmail(appid);
         }
 
         private void AndroidEnvironment_UnhandledExceptionRaiser(object sender, RaiseThrowableEventArgs e)
diff --git a/src/Android/Utilities.cs b/src/Android/Utilities.cs
index bc1714c18..a5050cad9 100644
--- a/src/Android/Utilities.cs
+++ b/src/Android/Utilities.cs
@@ -3,6 +3,10 @@ using Android.App;
 using Android.Content;
 using Java.Security;
 using System.IO;
+using Java.IO;
+using Java.Security.Cert;
+using Android.Util;
+using Android.Content.PM;
 
 namespace Bit.Android
 {
@@ -93,5 +97,44 @@ namespace Bit.Android
 
             return message;
         }
+
+        public static string GetFacetID(Application aContext, int callingUid)
+        {
+            var packageNames = aContext.PackageManager.GetPackagesForUid(callingUid);
+            if(packageNames == null)
+            {
+                return null;
+            }
+
+            try
+            {
+                var info = aContext.PackageManager.GetPackageInfo(packageNames[0], PackageInfoFlags.Signatures);
+
+                byte[] cert = info.Signatures[0].ToByteArray();
+                var input = new MemoryStream(cert);
+
+                var cf = CertificateFactory.GetInstance("X509");
+                var c = (X509Certificate)cf.GenerateCertificate(input);
+
+                var md = MessageDigest.GetInstance("SHA1");
+
+                return "android:apk-key-hash:" + Base64.EncodeToString(md.Digest(c.GetEncoded()),
+                          Base64Flags.Default | Base64Flags.NoPadding | Base64Flags.NoWrap);
+            }
+            catch(PackageManager.NameNotFoundException e)
+            {
+                e.PrintStackTrace();
+            }
+            catch(CertificateException e)
+            {
+                e.PrintStackTrace();
+            }
+            catch(NoSuchAlgorithmException e)
+            {
+                e.PrintStackTrace();
+            }
+
+            return null;
+        }
     }
 }
\ No newline at end of file