How to Write a WinJS Custom Control

<?xml version="1.0" encoding="utf-8"?>
<Package xmlns="http://schemas.microsoft.com/appx/2010/manifest" xmlns:build="http://schemas.microsoft.com/developer/appx/2012/build" IgnorableNamespaces="build">
  <!--
    THIS PACKAGE MANIFEST FILE IS GENERATED BY THE BUILD PROCESS.

    Changes to this file will be lost when it is regenerated. To correct errors in this file, edit the source .appxmanifest file.

    For more information on package manifest files, see http://go.microsoft.com/fwlink/?LinkID=241727
  -->
  <Identity Name="deb4cc35-5571-4e59-a2b4-59830edf9822" Version="1.0.0.0" Publisher="CN=Gil" ProcessorArchitecture="neutral" />
  <Properties>
    <DisplayName>WinJSCustomControl</DisplayName>
    <PublisherDisplayName>Gil</PublisherDisplayName>
    <Logo>images\storelogo.png</Logo>
  </Properties>
  <Prerequisites>
    <OSMinVersion>6.2.1</OSMinVersion>
    <OSMaxVersionTested>6.2.1</OSMaxVersionTested>
  </Prerequisites>
  <Resources>
    <Resource Language="EN-US" />
  </Resources>
  <Applications>
    <Application Id="App" StartPage="default.html">
      <VisualElements DisplayName="WinJSCustomControl" Logo="images\logo.png" SmallLogo="images\smalllogo.png" Description="WinJSCustomControl" ForegroundText="light" BackgroundColor="#464646">
        <DefaultTile ShowName="allLogos" />
        <SplashScreen Image="images\splashscreen.png" />
      </VisualElements>
    </Application>
  </Applications>
  <Capabilities>
    <Capability Name="internetClient" />
  </Capabilities>
  <Dependencies>
    <PackageDependency Name="Microsoft.WinJS.1.0" MinVersion="1.0.8514.0" />
  </Dependencies>
  <build:Metadata>
    <build:Item Name="VisualStudio" Version="11.0" />
    <build:Item Name="OperatingSystem" Version="6.2.9200.16384 (win8_rtm.120725-1247)" />
    <build:Item Name="Microsoft.Build.AppxPackage.dll" Version="11.0.50727.1" />
    <build:Item Name="MakePri.exe" Version="6.2.9200.16384 (win8_rtm.120725-1247)" />
  </build:Metadata>
</Package>