This is a Google Camera APK port of version 6.1.021 build version v1.2 Final ported by Arnova8G2.
This build was from December 2018.
Changelog of GCam 6.1.021 Arnova8G2 build version v1.2 Final:
- Slowmotion works on Android Pie
NOTE: Clean app cache if it force closes and try again
- Xiaomi (many models)