The Chinese government has made the installation of surveillance software on phones mandatory in the north-western city of Urumqi. Urumqi is the capital of Xin Jiang province, which is home to most of China's Turkic Uighur minority.
https://www.notebookcheck.net/Some-Chinese-residents-forced-to-install-government-spyware-on-phones.236736.0.html
just beginning. Shanghai, Shenzhen is next stop
Either protect the country from terrorism or get boomed like Europe
What happens when the citizen does not posses a phone?
Buy one
Modify the app and show the useless version to the police officer. That's it
Whitleft: Attacks in China generally use knives rather than bombs. :)