The “legitimate interest” is also part of the gdpr. It’s when it’s in a company’s best interest to measure this data. Error tracking, for example, can fall under this.
Sadly, it hasn’t been challenged yet and is a bit of a “super bandaid” tracking agencies like to use (as they exist to track stuff, which would make any data tracking legimate). Hopefully some privacy agencies will pick this up soon.
The Google Play beta is the beta version for the existing app (aka edge version), not the rebuilt one (which isn’t released yet, except as beta)