[rfoo]

> before walk outside, you remove/hide them in order no to have issues if police officer stop you and ask to unlock your phone

In China, too. With a more aggressive approach: just remove the app before going out.

[souvlakee]

Theoretically, they can install it and try to login with your current phone number.

[rfoo]

Unfortunately, Telegram is blocked by GFW. To do so, the police office has to demonstrate how to get around it in front of me, which is pretty unlikely :)