It is a android firewal software,It support to message filter,block calls,app firewall,ftp pop3 smtp block and virus firewall.You can block some network application software to help you save flow! - 它是一款Android 防火墙软件,主要支持黑名单信息过滤,阻止来电,应用软件阻止网络,FTP,POP3,SMTP阻止,病毒防火墙等,你可以阻止一些联网的应用软件,帮助你节约网络流量!
More http://code.google.com/p/andbox/
https://www.slideme.org/user/18222/applications/18222
Not sure I can install this as it can directly call phone numbers that can cost me money, which is a permission that is not defined on the web page.