SAP DSD mobile invoice

Hi Gurus,

I am working on editing SAP DSD mobile reports, in invoice standard report that printed from android mobile client i tried to edit on section

<!-- PO Reference Data -->

<include src="res:Reports/include_po_reference_table.xml" />

<separator weight="1" />

<text />

now how can i open include_po_reference_table.xml report as i cannot find it on the system

so any help