BigTyPB: "I saw the installation process, an icon appear on the home screen, the police ran the application and then the icon hid itself. Not sure if it rooted my phone or what. I know something was running on my phone because they used a handheld device to confirm our phones were communicating with their system before letting us go."
More here: he was crossing into Xinjiang, home of the oppressed Uighur minority, who are the beta-testers of China's most oppressive surveillance.
If you know anything about this app or have experienced something similar, please weigh in in the comments here or in /r/security.