Android - Questions about general data collection and using a secondary device for containment

I tried to do my own research, but oddly enough, there either seems to be very little information about it or search engines aren't showing me the relevant resources.

I'm a privacy-conscious user, but I also want to partake in the happenings of the world. Using certain apps and playing certain games. It's difficult to do in some cases, since certain games and apps require a locked bootloader and sometimes even the Google Playstore itself.

**So wouldn't using a secondary …

android collection containment data data collection device general privacy questions