بدون شرح:
http://www.gnu.org/philosophy/android-and-users-freedom.html
One user discovered that many of the programs in the Android system that came with his phone were modified to send personal data to Motorola. Some manufacturers add ahidden general surveillance package such as Carrier IQ.
Replicant is the free version of Android. The Replicant developers have replaced many nonfree libraries, for certain phone models, and you can do without the nonfree apps. By contrast, Cyanogen Mod (another modified version of Android) is not free.