The Emulator tries to duplicate the inner workings of the device. More examples,
You may know something about the case between Google and Oracle. In Brief, google implemented the same APIs(For Android) the java library provided to Java Developers to development Java applications. We can call it JRE Emulation Library. Also, in Google's GWT, it did similiar thing(weird that Oracle did not sue Google For this :) ) .
The Packages google em…