"android.permission.READ_PHONE_STATE"can get these telephone information.(your phone number, subscriber identification, etc..)"Android wallpaper app that takes your data was downloaded by millions"http://mobile.venturebeat.com/2010/07/28/http://www.neko.ne.jp/~freewing/android/Copyright (c)2010 FREE WING,Y.Sakamotohttps://play.google.com/store/apps/details?id=jp.ne.neko.freewing.ReadPhoneState