Can you recommend a security application for my mobile?

Can you recommend a security application for my mobile?

你能给我的手机推荐一款安全软件吗？

亚洲用户可访问：

http://v.youku.com/v_show/id_XNDI1Nzc4MjM2.html
优酷

http://my.tv.sohu.com/u/vw/26423133
sohu
http://www.tudou.com/programs/view/O6qpUGe0MF4
土豆

http://my.ku6.com/watch?v=C7iHxcQwN-s86t9e6HVwEg..#share
酷六
http://www.56.com/u96/v_Njk5NTkyOTM.html

56
http://video.sina.com.cn/v/b/81110833-1644305150.html
新浪