This is a quick and easy way to check what your remote IP address is. This does NOT check your local LAN IP, but the IP that for instance websites you connect to sees. It grabs information from a few locations; whatismyip.com/org.
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.