an Entity references as follows:
Android 2.3 Gingerbread is the seventh version of Android, a codename of the Android mobile operating system developed by Google and released in December 2010, for versions that are no longer supported. The Gingerbread release introduced support for near field communication (NFC)—used in mobile payment solutions—and Session Initiation Protocol (SIP)—used in VoIP internet telephones. The first phone with Android Gingerbread was the Nexus S.