Network Counter is Android (2.2+) application for monitoring of wireless network data traffic.

Features:
- Displays data traffic usage statistics for Wi-Fi and cellular / mobile networks.
- Possibility to setup an alarm for Wi-Fi and mobile data traffic usage.
- Network traffic statistics for currently active (running) applications.
- Ability to backup and restore of data traffic usage database.

Emergency Manager now on Tablets.
Emergency Manager Trial(FREE)is a complete emergency situation management app for android devices which is equipped with emergency service numbers for over 200 countries. You can send SMS requesting help with your current location (GPS and Network)just with a single touch. It also uses the enormous outreach of the social-networking media (Facebook to post emergency alerts on your behalf, so that help can be always at hand. Also provides multilingual support.

Android network tool: discover hosts (ping/connect/DNS) and scan them in your Wifi network.

    安安卜是一款集文件管理、任务管理、来电防火墙、短信过滤、网络管理、数据库管理、垃圾清理、开机加速、内存管理、监控器于一体的Android管理软件，全面管理android系统问题。
    AndBox is a set of files management, task management, call firewall, SMS filtering, network management, database management, garbage clean, boot speed, memory management, monitor management software, Overall management of the android system problems.

More http://code.google.com/p/andbox/
https://www.slideme.org/user/18222/applications/18222

Reach your Android’s maximum potential by increasing speed, saving battery power and monitoring data usage with NetQin’s Android optimization app. Android Booster FREE will improve your Androids performance in seconds with it’s easy to use interface by helping you reclaim memory, save battery power, kill tasks and give you an easy way to uninstall unwanted apps. Android Booster also contains a handy Widget which gives you the power of one-click optimization.