tubular. you can then share from official youtube app to tubular and watch your recomendations with out ads and with sponsorblock if you choose. no way to auto sync the subscriptions tho

simple file manager, just works.

https[://]f-droid[.]org/packages/com.simplemobiletools.filemanager.pro/

i use these guys: [removed] the yearly subscription is very cheap. i have it on a s905x4 box running coreelec and i can watch all the big games with no problems and very little delay - compared to other services. i will sometimes use a vpn due to my isp being known for using traffic shaping

no.

protonmail has been seen sharing it’s users data with 3rth parties. I assume that extends to all their services if necessary.