How to setup project for Monogame + Windows 8.1? - windows-phone-8

Question

I'm in the middle of app development with Monogame, and I wanted to add a project for Windows Phone. I have a device with Windows Mobile 8.1 for testing, and I'm using Monogame 3.5 (latest) + VS 2015. But how do I create a project?
The templates for Monogame have several platforms, but the only one for Windows Mobile seems to be Windows 10 Uniwersal Project (UWP). I doubt this would run on WM8.1. Or would it? If not, how do I create the project this otherwise?
Update:
Did more research on this and it seems you need to have minimum Windows 8.1 on your dev PC to develop for Windows Phone 8.1:
https://www.visualstudio.com/en-us/products/visual-studio-2015-compatibility-vs.aspx
So I guess I will just support Android and iOS like all other mobile apps.

Answer 1

Variant 1:
Create win phone 8.1 project
Add NuGet package MonoGame.Framework.WindowsPhone81 (NuGet)
Add standart Game1.cs source code file from Monogame templates
Add in MainPage.xaml.cs
using MonoGame.Framework;
Change in MainPage.xaml.cs
public sealed partial class MainPage : SwapChainBackgroundPanel
{
readonly Game1 _game;
public MainPage(string launchArguments)
{
this.InitializeComponent();
_game = XamlGame<Game1>.Create(launchArguments, Window.Current.CoreWindow, this);
}
}
Change MainPage.xaml (MyGame - default project namespace)
<SwapChainBackgroundPanel
x:Class="MyGame.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:MyGame"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d">
<Grid >
</Grid>
</SwapChainBackgroundPanel>
Change App class in App.xaml.cs
protected override void OnLaunched(LaunchActivatedEventArgs args)
{
var gamePage = Window.Current.Content as MainPage;
if (gamePage == null)
{
gamePage = new MainPage(args.Arguments);
if (args.PreviousExecutionState == ApplicationExecutionState.Terminated)
{
}
Window.Current.Content = gamePage;
}
Window.Current.Activate();
}
private void OnSuspending(object sender, SuspendingEventArgs e)
{
var deferral = e.SuspendingOperation.GetDeferral();
deferral.Complete();
}
Add Content.mgcb
Add monogameplatform to project file (.csproj) into PropertyGroup section
<PropertyGroup>
...
<MonoGamePlatform>WindowsStoreApp</MonoGamePlatform>
<MonoGameContentBuilderExe>
</MonoGameContentBuilderExe>
...
</PropertyGroup>
Add next line to project file (.csproj) into Project section
<Import Project="$(MSBuildExtensionsPath)\MonoGame\v3.0\MonoGame.Content.Builder.targets" />
Variant 2: use tool from Protobuild.org