Find accounts on the device:
• Allows the app to get the list of accounts known by the device. This may include any accounts created by applications you have installed..

Read the contents of your usb storage:
• Allows the app to read the contents of your USB storage..
Modify or delete the contents of your usb storage:
• Allows the app to write to the USB storage..

View wi-fi connections:
• Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices..
View network connections:
• Allows the app to view information about network connections such as which networks exist and are connected..
Connect and disconnect from wi-fi:
• Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks..
Full network access:
• Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet..
Receive data from internet:
• Allows apps to accept cloud to device messages sent by the app's service. Using this service will incur data usage. Malicious apps could cause excess data usage..

Read phone status and identity:
• Allows the app to access the phone features of the device. This permission allows the app to determine the phone number and device IDs, whether a call is active, and the remote number connected by a call..

Change system display settings:
• Allows the app to change the current configuration, such as the locale or overall font size..

Disable your screen lock:
• Allows the app to disable the keylock and any associated password security. For example, the phone disables the keylock when receiving an incoming phone call, then re-enables the keylock when the call is finished..

Run at startup:
• Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the device and allow the app to slow down the overall device by always running..

Reorder running apps:
• Allows the app to move tasks to the foreground and background. The app may do this without your input..

Draw over other apps:
• Allows the app to draw on top of other applications or parts of the user interface. They may interfere with your use of the interface in any application, or change what you think you are seeing in other applications..

Control vibration:
• Allows the app to control the vibrator..
Prevent device from sleeping:
• Allows the app to prevent the device from going to sleep..

◎ Performance improvement.