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.Read more
Allows an application to view the information about the state of Wi-Fi.
create Bluetooth connections
Allows an application to view configuration of the local Bluetooth phone, and to make and accept connections with paired devices.
full Internet access
Allows an application to create network sockets.
Allows the application to control the vibrator.
read phone state and identity
Allows the application to access the phone features of the device. An application with this permission can determine the phone number and serial number of this phone, whether a call is active, the number that call is connected to, ect.
Allows an application to configure the local Bluetooth phone, and to discover and pair with remote devices.
fine (GPS) location
Access fine location sources such as the Global Positioning System on the phone, where available. Malicious applications can use this to determine where you are, and may consume additional battery power.
coarse (network-based) location
Access coarse location sources such as the cellular network database to determine an approximate phone location, where available. Malicious applications can use this to determine approximately where you are.