PowerTutor帮助用户了解手机系统以及应用程序的功耗。该程序可以在大部分Android手机上正确运行，但是功耗估计仅在HTC Dream, Magic和Nexus one上准确。该程序在后台运行，记录应用程序的硬件使用状况，结果以图表的方式总结并显示。
Last comments from Android Market
This app is handy!
Apps from the same developer
PowerTutor is a diagnostic tool for analyzing system and app power usage.
The app runs on most Android phones tho ...
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Just shake your phone from the unlock screen to activate the LED flash light.
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