For the past few years, Google has pushed a particular technology for implementing augmented reality in phones. Known first as Project Tango and now as Tango, Google’s AR platform used to have specific requirements for its cameras that required specialized hardware. This reliance on custom sensors doomed Tango in the wider market, and only a handful of devices have supported the capability to date.

https://www.extremetech.com/mobile/254766-google-arcore-brings-augmented-reality-android-minus-tango