And access to hardware, and with a common, system interface (native widgets) not custom or third-party UI widgets. Seems like a completely accurate definition.

And access to hardware, and with a common, system interface (native widgets) not custom or third-party UI widgets. Seems like a completely accurate definition. As responsive as expected, similar looking and integrated as expected, and able to access the unique parts of my phone. What is missing, other than having a different build/compile process?