您检查过Android网站吗？

Android - 性能***实践 [ ^ ]

查看过去Webservice / WCF优化的答案

Webservice/WCF优化 [ ^ ]

Web服务性能 [ ^ ]

Did you check Android website?
Android - Best Practices for Performance[^]
And check these past answers for Webservice/WCF optimization
Webservice/WCF optimization[^]
Web Services Performance[^]

两个非常好的sol通过此处 [ ^ ] ..看一看！

Two very good solutions are given over here[^].. Take a look !