Instant apps are an interesting concept. I believe my Android 8 phone supports them but I really didn't notice any of them running. Maybe it's how they are designed. Anyway, does anybody know the answers to these questions?

1) Are they going to ask the same permissions every time an instant app is downloaded or are they caching the answers of the user?

2) How do they pick the instant app to download when multiple apps can do the same thing?

3) As a consequence, how to know which company to contact for assistance and/or ask for our personal data (think GDPR)?