If you want to know that your android device is normal. Install this app right now. This app can check your device's basic information, screen, multi-touch, buttons, GPS, and various sensors. Nexus 4, it works just fine. 如果你想知道你的Android设备是否正常。 安装这个应用程序现在。 这个程序可以检查您的设备的基本信息，屏幕，多点触摸，按键，GPS和各种传感器。 的Nexus 4，它工作得很好。
Basic information rights issues have been fixed. (Jelly Bean in the new permission is required.) "Sensor" menu has been greatly modified. Existing some of the equipment has been modified from a stopped phenomenon. Nexus 4, it works just fine.