That is already how voice recognition, translation, etc services work on smartphones today. At least in Google and Windows/Bing systems, that is done in the clo

That is already how voice recognition, translation, etc services work on smartphones today. At least in Google and Windows/Bing systems, that is done in the cloud and sent back to your phone. They have simpler, less powerful versions entirely on the phone that are used as a fallback (one explicitly warned by the vendor to be inferior, mind you) for when the device cannot connect to the big iron in the sky.