update

SampleApp/.vs/SampleApp/xs/UserPrefs.xml

-<Properties StartupConfiguration="{0E082BA3-B87F-40B4-9700-878BE1A55954}|Default">
-  <MonoDevelop.Ide.Workbench ActiveDocument="SampleApp.iOS/iOSFocusEvents.cs">
+<Properties StartupConfiguration="{1EE7473C-9A98-44EF-8124-C4D1E0E468F8}|Default">
+  <MonoDevelop.Ide.Workbench ActiveDocument="SampleApp/ViewModels/ListPageViewModel.cs">
     <Files>
-      <File FileName="SampleApp.iOS/iOSHasFocus.cs" />
-      <File FileName="SampleApp.Android/AndroidHasFocus.cs" />
-      <File FileName="SampleApp.Android/AndroidScreenReaderEnabled.cs" />
-      <File FileName="SampleApp.iOS/iOSFocusEvents.cs" Line="3" Column="21" />
-      <File FileName="SampleApp.Android/AndroidFocusEvents.cs" Line="6" Column="32" />
-      <File FileName="SampleApp/Views/Functionality4.xaml.cs" Line="6" Column="21" />
-      <File FileName="SampleApp/CustomRenderers/FocusEvents.cs" Line="4" Column="36" />
+      <File FileName="SampleApp/ViewModels/ListPageViewModel.cs" Line="21" Column="56" />
+      <File FileName="SampleApp/Views/MainPage.xaml.cs" Line="1" Column="1" />
+      <File FileName="SampleApp/Views/MainPage.xaml" Line="22" Column="32" />
     </Files>
     <Pads>
       <Pad Id="ProjectPad">
         <State name="__root__">
-          <Node name="SampleApp" expanded="True" selected="True">
           <Node name="SampleApp" expanded="True">
-              <Node name="CustomRenderers" expanded="True" />
-              <Node name="DependencyServices" expanded="True" />
+            <Node name="SampleApp" expanded="True">
+              <Node name="Models" expanded="True" />
+              <Node name="ViewModels" expanded="True">
+                <Node name="ListPageViewModel.cs" selected="True" />
+              </Node>
               <Node name="Views" expanded="True">
-                <Node name="Functionality4.xaml" expanded="True" />
+                <Node name="MainPage.xaml" expanded="True" />
               </Node>
             </Node>
-            <Node name="SampleApp.Android" expanded="True" />
-            <Node name="SampleApp.iOS" expanded="True" />
           </Node>
         </State>
       </Pad>
     </Pads>
   </MonoDevelop.Ide.Workbench>
-  <MonoDevelop.Ide.ItemProperties.SampleApp.Android AndroidDesignerPreferredTheme="Theme.AppCompat.Light.NoActionBar" PreferredExecutionTarget="Android.pixel_2_pie_9_0_-_api_28" />
-  <MonoDevelop.Ide.ItemProperties.SampleApp.iOS PreferredExecutionTarget="MonoDevelop.IPhone.IPhoneDeviceTarget.d0d4bfac7e5fd6f1456633ef7d45122e2fa38791" />
+  <MonoDevelop.Ide.ItemProperties.SampleApp.Android AndroidDesignerPreferredTheme="Theme.AppCompat.Light.NoActionBar" PreferredExecutionTarget="Android.pixel_2_q_10_0_-_api_29" />
+  <MonoDevelop.Ide.ItemProperties.SampleApp.iOS automaticSigning="False" PreferredExecutionTarget="MonoDevelop.IPhone.IPhoneDeviceTarget.d0d4bfac7e5fd6f1456633ef7d45122e2fa38791" />
   <MonoDevelop.Ide.DebuggingService.PinnedWatches />
   <MonoDevelop.Ide.Workspace ActiveConfiguration="Debug|iPhone" />
   <MonoDevelop.Ide.DebuggingService.Breakpoints>

SampleApp/SampleApp.Android/AndroidFocusEvents.cs

@@ -3,11 +3,11 @@ using Android.Content;
 using Android.Service.Autofill;
 using Android.Views.Accessibility;
 using CustomViewAccessibility.Droid;
-using SampleApp.CustomRenderers;
+using SampleApp.DependencyServices;
 using Xamarin.Forms;
 using Xamarin.Forms.Platform.Android;
 
-[assembly: ExportRenderer(typeof(FocusEvents), typeof(AndroidFocusEvents))]
+[assembly: ExportRenderer(typeof(IFocusEvents), typeof(AndroidFocusEvents))]
 namespace CustomViewAccessibility.Droid
 {
     public class AndroidFocusEvents : ImageRenderer

SampleApp/SampleApp.iOS/iOSFocusEvents.cs

 using System;
-using SampleApp.CustomRenderers;
+using SampleApp.DependencyServices;
 using Xamarin.Forms;
 using SampleApp.iOS;
 using Xamarin.Forms.Platform.iOS;
 
-[assembly: ExportRenderer(typeof(FocusEvents), typeof(iOSFocusEvents))]
+[assembly: ExportRenderer(typeof(IFocusEvents), typeof(iOSFocusEvents))]
 namespace SampleApp.iOS
 {
     public class iOSFocusEvents : ImageRenderer

SampleApp/SampleApp/CustomRenderers/FocusEvents.cs → SampleApp/SampleApp/DependencyServices/IFocusEvents.cs

 using System;
 using Xamarin.Forms;
 
-namespace SampleApp.CustomRenderers
+namespace SampleApp.DependencyServices
 {
-    public class FocusEvents : Image
+    public class IFocusEvents : Image
     {
-        public FocusEvents()
+        public IFocusEvents()
         {
         }
 

SampleApp/SampleApp/ViewModels/ListPageViewModel.cs

@@ -32,19 +32,19 @@ namespace SampleApp.ViewModels
             {
                 Name = "3",
                 Description = "Assign the accessibility focus to a view",
-                Availability = "Not available on XAMARIN",
+                Availability = "Indirect implementation",
             });
             accessibilityFocus.Add(new APIFunctionality
             {
                 Name = "4",
                 Description = "Specify actions associated to accessibility focus-related events (e.g., a view acquires or loses the focus)",
-                Availability = "Not available on XAMARIN",
+                Availability = "Indirect implementation",
             });
             accessibilityFocus.Add(new APIFunctionality
             {
                 Name = "5",
                 Description = "Determine whether a view has the accessibility focus or which view has the accessibility focus",
-                Availability = "Not available on XAMARIN",
+                Availability = "Indirect implementation",
             });
             TextToAnnounce.Add(new APIFunctionality
             {
@@ -61,7 +61,7 @@ namespace SampleApp.ViewModels
             {
                 Name = "8",
                 Description = "Use one view to describe another one",
-                Availability = "Not available on iOS",
+                Availability = "Semi-direct implementation on iOS",
             });
             TextToAnnounce.Add(new APIFunctionality
             {
@@ -119,7 +119,7 @@ namespace SampleApp.ViewModels
             {
                 Name = "18",
                 Description = "Aggregate multiple views into a single accessible element",
-                Availability = "Not available on iOS",
+                Availability = "Semi-direct implementation on iOS",
             });
             accessibilityTree.Add(new APIFunctionality
             {
@@ -137,7 +137,7 @@ namespace SampleApp.ViewModels
             {
                 Name = "21",
                 Description = "Detect whether screen-reader is active",
-                Availability = "Not available on XAMARIN",
+                Availability = "Indirect implementation",
             });
             miscellanous.Add(new APIFunctionality
             {

SampleApp/SampleApp/Views/Functionality10.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality10">
     <ContentPage.Content>
-        <Label Text="PROVA 10"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality11.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality11">
     <ContentPage.Content>
-        <Label Text="PROVA 11"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality12.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality12">
     <ContentPage.Content>
-        <Label Text="PROVA 12"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality13.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality13">
     <ContentPage.Content>
-        <Label Text="PROVA 13"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality15.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality15">
     <ContentPage.Content>
-        <Label Text="PROVA 15"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality16.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality16">
     <ContentPage.Content>
-        <Label Text="PROVA 16"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality19.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality19">
     <ContentPage.Content>
-        <Label Text="PROVA 19"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality20.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality20">
     <ContentPage.Content>
-        <Label Text="PROVA 20"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality22.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality22">
     <ContentPage.Content>
-        <Label Text="PROVA 22"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality23.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality23">
     <ContentPage.Content>
-        <Label Text="PROVA 23"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality24.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality24">
     <ContentPage.Content>
-        <Label Text="PROVA 24"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/Functionality4.xaml.cs

@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Reflection;
-using SampleApp.CustomRenderers;
+using SampleApp.DependencyServices;
 using Xamarin.Forms;
 
 
@@ -20,7 +20,7 @@ namespace SampleApp.Views
         public Functionality4()
         {
             InitializeComponent();
-            FocusEvents BellImage = new FocusEvents
+            IFocusEvents BellImage = new IFocusEvents
             {
                 Source = ImageSource.FromResource("SampleApp.images.bell.png", typeof(Functionality4).GetTypeInfo().Assembly)
             };

SampleApp/SampleApp/Views/Functionality8.xaml.cs

@@ -10,6 +10,7 @@ namespace SampleApp.Views
         public Functionality8()
         {
             InitializeComponent();
+            AutomationProperties.SetIsInAccessibleTree(label, true);
             AutomationProperties.SetIsInAccessibleTree(entry, true);
 
             // this only works on Android

SampleApp/SampleApp/Views/Functionality9.xaml

 <?xml version="1.0" encoding="UTF-8"?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="SampleApp.Views.Functionality9">
     <ContentPage.Content>
-        <Label Text="PROVA 9"></Label>
+        <Label Text="Not available on XAMARIN"></Label>
     </ContentPage.Content>
 </ContentPage>

SampleApp/SampleApp/Views/MainPage.xaml

@@ -10,9 +10,29 @@
                   >
             <ListView.ItemTemplate>
                 <DataTemplate>
-                    <TextCell Text="{Binding Description}" Detail="{Binding Availability}" x:Name="CellText"></TextCell>
+                    
+                    <ViewCell>
+                        <StackLayout BackgroundColor="#fff" Orientation="Vertical" Padding="10, 0, 0, 0">
+                            <StackLayout Orientation="Vertical" VerticalOptions="CenterAndExpand">
+                                <Label Text="{Binding Description}" TextColor="Black" FontSize="Default"/>
+                                <Label Text="{Binding Availability}" HorizontalOptions="FillAndExpand" TextColor="#999" FontSize="Micro"/>
+                            </StackLayout>
+                        </StackLayout>
+                    </ViewCell>
                 </DataTemplate>
             </ListView.ItemTemplate>
+            <ListView.GroupHeaderTemplate>
+                <DataTemplate>
+                    <ViewCell>
+                        <StackLayout BackgroundColor="#eee" Orientation="Vertical" Padding="10, 0, 0, 0">
+                            <StackLayout VerticalOptions="CenterAndExpand">
+                                <Label Text="{Binding LongName}" TextColor="#333" FontSize="Medium"/>
+                            </StackLayout>
+                                
+                        </StackLayout>
+                    </ViewCell>
+                </DataTemplate>
+            </ListView.GroupHeaderTemplate>
         </ListView>