resources/appx/AppxManifest.xml.erb

<?xml version="1.0" encoding="utf-8"?>
<Package xmlns="http://schemas.microsoft.com/appx/2010/manifest">
  <Identity Name="<%= name %>" 
            Version="<%= version %>" 
            Publisher="<%= certificate_subject %>" />
  <Properties>
    <DisplayName><%= friendly_name %></DisplayName>
    <PublisherDisplayName><%= maintainer.encode(:xml => :attr) %></PublisherDisplayName>
    <Logo>clear.png</Logo>
  </Properties>
  <Prerequisites>
    <OSMinVersion>6.3</OSMinVersion>
    <OSMaxVersionTested>99.99</OSMaxVersionTested>
  </Prerequisites>
  <Resources>
    <Resource Language="en-us" />
  </Resources>
</Package>