2013/4/25 tian ke <tianke0711@gmail.com>
         I am a  student. I think the stellarium is a wonderful software.
        I write this  letter o ask you that where could I  download the source  code of stellarium. Is there open  android source code.
          If you have please tell me!

You can download source code here: https://code.launchpad.net/stellarium

With best regards, Alexander