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aiSystemWidget is system monitor utility that provides newest, innovative way of monitoring your Android based mobile device system resources, like Memory, CPU, Network traffic, Battery usage and etc.

AirCover Security protects your Android devices from viruses, malware and other threats, with anti-virus, real-time protection, web protection, anti-surveillance, and other security features.

widget with signal level, counters on the status bar (network speed), traffic monitor

3G Traffic Lite is the free version of 3G Traffic Pro. It counts mobile internet traffic and save battery.