diff --git a/Plugin.Notifications/Notification.cs b/Plugin.Notifications/Notification.cs
index c178350..349d7c4 100644
--- a/Plugin.Notifications/Notification.cs
+++ b/Plugin.Notifications/Notification.cs
@@ -7,14 +7,18 @@ namespace Plugin.Notifications
 
     public class Notification
     {
+        public const string PlatformDefault = "..PLATFORM_DEFAULT..";
+
         public static string DefaultTitle { get; set; }
         public static string DefaultSound { get; set; }
+        public static string DefaultIcon { get; set; }
 
 
         public int? Id { get; set; }
         public string Title { get; set; } = DefaultTitle;
         public string Message { get; set; }
         public string Sound { get; set; } = DefaultSound;
+        public string Icon { get; set; } = DefaultIcon;
         public IDictionary<string, string> Metadata { get; set; } = new Dictionary<string, string>();
 
         /// <summary>
diff --git a/Plugin.Notifications/Platforms/Android/NotificationsImpl.cs b/Plugin.Notifications/Platforms/Android/NotificationsImpl.cs
index ea4ec8e..01dc291 100644
--- a/Plugin.Notifications/Platforms/Android/NotificationsImpl.cs
+++ b/Plugin.Notifications/Platforms/Android/NotificationsImpl.cs
@@ -75,11 +75,14 @@ public override Task Send(Notification notification)
                     .AddNextIntent(launchIntent)
                     .GetPendingIntent(notification.Id.Value, (int)(PendingIntentFlags.OneShot | PendingIntentFlags.CancelCurrent));
 
+                int iconResId = notification.Icon != null ? AndroidConfig.GetResourceIdByName(notification.Icon)
+                                                          : AndroidConfig.AppIconResourceId;
+
                 var builder = new NotificationCompat.Builder(Application.Context)
                     .SetAutoCancel(true)
                     .SetContentTitle(notification.Title)
                     .SetContentText(notification.Message)
-                    .SetSmallIcon(AndroidConfig.AppIconResourceId)
+                    .SetSmallIcon(iconResId)
                     .SetContentIntent(pendingIntent);
 
                 if (notification.Vibrate)
@@ -87,10 +90,23 @@ public override Task Send(Notification notification)
 
                 if (notification.Sound != null)
                 {
-                    if (!notification.Sound.Contains("://"))
+                    Android.Net.Uri uri;
+
+                    if (notification.Sound == Notification.PlatformDefault)
+                    {
+                        // Fallback to the system default notification sound
+                        uri = Android.Media.RingtoneManager.GetDefaultUri(Android.Media.RingtoneType.Notification);
+                    }
+                    else if (!notification.Sound.Contains("://"))
+                    {
                         notification.Sound = $"{ContentResolver.SchemeAndroidResource}://{Application.Context.PackageName}/raw/{notification.Sound}";
+                        uri = Android.Net.Uri.Parse(notification.Sound);
+                    }
+                    else
+                    {
+                        uri = Android.Net.Uri.Parse(notification.Sound);
+                    }
 
-                    var uri = Android.Net.Uri.Parse(notification.Sound);
                     builder.SetSound(uri);
                 }
                 var not = builder.Build();
diff --git a/Plugin.Notifications/Platforms/Uwp/NotificationsImpl.cs b/Plugin.Notifications/Platforms/Uwp/NotificationsImpl.cs
index 5dc4395..d632230 100644
--- a/Plugin.Notifications/Platforms/Uwp/NotificationsImpl.cs
+++ b/Plugin.Notifications/Platforms/Uwp/NotificationsImpl.cs
@@ -81,17 +81,27 @@ public override Task Send(Notification notification)
                     }
                 }
             };
-            if (!String.IsNullOrWhiteSpace(notification.Sound) && this.IsAudioSupported)
-            {
-                if (!notification.Sound.StartsWith("ms-appx:"))
-                    notification.Sound = $"ms-appx:///Assets/Audio/{notification.Sound}.m4a";
 
-                toastContent.Audio = new ToastAudio
+            if (IsAudioSupported)
+            {
+                if (notification.Sound == Notification.PlatformDefault)
                 {
-                    Src = new Uri(notification.Sound)
-                };
-            }
+                    toastContent.Audio = new ToastAudio
+                    {
+                        Src = new Uri("ms-winsoundevent:Notification.Looping.Alarm")
+                    };
+                }
+                else if (!String.IsNullOrWhiteSpace(notification.Sound))
+                {
+                    if (!notification.Sound.StartsWith("ms-appx:"))
+                        notification.Sound = $"ms-appx:///Assets/Audio/{notification.Sound}.m4a";
 
+                    toastContent.Audio = new ToastAudio
+                    {
+                        Src = new Uri(notification.Sound)
+                    };
+                }
+            }
 
             if (notification.ScheduledDate == null)
             {
diff --git a/Plugin.Notifications/Platforms/iOS/UILocalNotificationsImpl.cs b/Plugin.Notifications/Platforms/iOS/UILocalNotificationsImpl.cs
index dedaea6..ae7167d 100644
--- a/Plugin.Notifications/Platforms/iOS/UILocalNotificationsImpl.cs
+++ b/Plugin.Notifications/Platforms/iOS/UILocalNotificationsImpl.cs
@@ -58,13 +58,18 @@ public override Task Send(Notification notification)
             if (notification.Id == null)
                 notification.GeneratedNotificationId();
 
+            if (notification.Sound == Notification.PlatformDefault)
+                notification.Sound = UILocalNotification.DefaultSoundName;
+
             var not = new UILocalNotification
             {
                 AlertTitle = notification.Title,
                 AlertBody = notification.Message,
-                SoundName = notification.Sound,
-                UserInfo = notification.MetadataToNsDictionary()
+                AlertLaunchImage = notification.Icon,
+                UserInfo = notification.MetadataToNsDictionary(),
+                SoundName = notification.Sound
             };
+
             if (notification.ScheduledDate != null)
                 not.FireDate = notification.ScheduledDate.Value.ToNSDate();
 
diff --git a/Plugin.Notifications/Platforms/iOS/UNNotificationsImpl.cs b/Plugin.Notifications/Platforms/iOS/UNNotificationsImpl.cs
index a6380ee..579e309 100644
--- a/Plugin.Notifications/Platforms/iOS/UNNotificationsImpl.cs
+++ b/Plugin.Notifications/Platforms/iOS/UNNotificationsImpl.cs
@@ -48,10 +48,18 @@ public override Task Send(Notification notification) => this.Invoke(async () =>
             {
                 Title = notification.Title,
                 Body = notification.Message,
-                UserInfo = notification.MetadataToNsDictionary()
+                UserInfo = notification.MetadataToNsDictionary(),
+                LaunchImageName = notification.Icon
             };
-            if (!String.IsNullOrWhiteSpace(notification.Sound))
+
+            if (notification.Sound == Notification.PlatformDefault)
+            {
+                content.Sound = UNNotificationSound.Default;
+            }
+            else if (!String.IsNullOrWhiteSpace(notification.Sound))
+            {
                 content.Sound = UNNotificationSound.GetSound(notification.Sound);
+            }
 
             var dt = notification.ScheduledDate ?? DateTime.Now;
             var request = UNNotificationRequest.FromIdentifier(
diff --git a/Plugin.Notifications/Platforms/macOS/NotificationsImpl.cs b/Plugin.Notifications/Platforms/macOS/NotificationsImpl.cs
index 9690f1f..4497d7f 100644
--- a/Plugin.Notifications/Platforms/macOS/NotificationsImpl.cs
+++ b/Plugin.Notifications/Platforms/macOS/NotificationsImpl.cs
@@ -43,6 +43,11 @@ public override Task Send(Notification notification) => this.Invoke(() =>
             if (notification.Id == null)
                 notification.GeneratedNotificationId();
 
+            if (notification.Sound == Notification.PlatformDefault)
+            {
+                notification.Sound = NSUserNotification.NSUserNotificationDefaultSoundName;
+            }
+
             var native = new NSUserNotification
             {
                 Identifier = notification.Id.Value.ToString(),