 

            ,           "".         , *.rtf,*.doc,*.xls   *.pdf.    .
 MobileRTF ,   ,   ""   *.rtf.,     ,    .
 DocViewer     ""   *.doc.  ,,     .     "",    .
 PDFViewer    *.pdf    Adobe Reader.     ,       .
    ,      , .

:  RespectStuff777