Yep
Probably, I just clicked yes to permissions
Nope, just Bluetooth IF you want to locate the charger ( or use the charger to locate your phone )
Nope, except your Google or apple account to get the app!
Although the .apk may be available somewhere else
Also has this function which i haven’t seen in another power bank.
“Virus and Data Protection in Dual Charge mode – use the Joey unit as a protection firewall when you charge your phone from public outlets.”
SORRY, Derailing your project here a little