This app is a tool that shows a lot of technical information about your Android phone. Categories of information include the OS, configuration, build info, battery, memory, telephony, WiFi, CPU, camera, screen, sensors, environment, features, Java properties, mount points, and a logcat (adb) output. Some of this information can be found by browsing through your phone’s menu, but a lot cannot. In either case, this app presents the information in one clean, easily readable user interface.
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Eric Sweeten's Blog 