Here is a complete app_info.xml for Windows 64 bit (SSE2, SSE3, AVX, CUDA55):

<app_info>
  
  <app>
    <name>period_search</name>
    <user_friendly_name>Asteroids</user_friendly_name>
  </app>

<!-- SSE2 -->
  <file_info>
    <name>period_search_10210_windows_x86_64__sse2.exe</name>
    <executable/>
  </file_info>
  <app_version>
    <app_name>period_search</app_name>
    <version_num>1021</version_num>
    <avg_ncpus>1.00</avg_ncpus>
    <max_ncpus>1.00</max_ncpus>
    <plan_class>sse2</plan_class>
    <file_ref>
      <file_name>period_search_10210_windows_x86_64__sse2.exe</file_name>
      <main_program/>
    </file_ref>
  </app_version>


<!-- SSE3 -->
  <file_info>
    <name>period_search_10210_windows_x86_64__sse3.exe</name>
    <executable/>
  </file_info>
  <app_version>
    <app_name>period_search</app_name>
    <version_num>1021</version_num>
    <avg_ncpus>1.00</avg_ncpus>
    <max_ncpus>1.00</max_ncpus>
    <plan_class>sse3</plan_class>
    <file_ref>
      <file_name>period_search_10210_windows_x86_64__sse3.exe</file_name>
      <main_program/>
    </file_ref>
  </app_version>


<!-- AVX -->
  <file_info>
    <name>period_search_10210_windows_x86_64__avx.exe</name>
    <executable/>
  </file_info>
  <app_version>
  <app_name>period_search</app_name>
    <version_num>1021</version_num>
    <avg_ncpus>1.00</avg_ncpus>
    <max_ncpus>1.00</max_ncpus>
    <plan_class>avx</plan_class>
    <file_ref>
      <file_name>period_search_10210_windows_x86_64__avx.exe</file_name>
      <main_program/>
    </file_ref>
  </app_version>

<!-- CUDA -->
  <file_info>
    <name>period_search_10100_windows_x86_64__cuda55.exe</name>
    <executable/>
  </file_info>
  <file_info>
    <name>cudart64_55.dll</name>
  </file_info>
  <app_version>
    <app_name>period_search</app_name>
    <version_num>1010</version_num>
    <avg_ncpus>0.05</avg_ncpus>
    <max_ncpus>1.00</max_ncpus>
    <plan_class>cuda55</plan_class>
    <file_ref>
      <file_name>period_search_10100_windows_x86_64__cuda55.exe</file_name>
      <main_program/>
    </file_ref>
    <file_ref>
        <file_name>cudart64_55.dll</file_name>
        <copy_file/>
    </file_ref>  
    <coproc>
        <type>CUDA</type>
        <count>1.000000</count>
    </coproc>
  </app_version>

</app_info>

Thanks to

terencewee*
Sicituradastra.

    

No this mean your client do not request them.