远程Android手机的XMl文件解析？

In my application,i have get the xmlfile data from the server and parse it. But instead server,I want xml file will be saved on remote android phone. 1.how i connect and parse another android phone's xml file. 2.Where should remote android phone has stored xmlfile on SDCard or where? thnks in advance.In my application,i have get the xmlfile data f