Quereller

I think the app is fine but finally I continue to use FreeOTP+.

I am using Tutanota as my e-mail provider and it’s quite OK.

I am happy with my Epson consumer device, it works out of the box.

You can already do a lot!. Switch of all the invasive features from google. (Remove advertising ID, switch of any web and app history etc.) Install F-Droid and only use the “good” apps. Put the evil apps in a separate work profile (Shelter app). Look at the configurations of the apps and opt-out of tracking.
Configure your webbrowser to delete cookie and co. …

If you need Google Maps from time to time use GMaps WV it is a a webview shell for google maps.

You are not the only one :-)

Cholera

Look at ancient Egypt. Big piramides didn’t work. Getting your name erased from the society (Tutankhamun) somewhat.

I am sorry if this is a stupid question but do you don’t have Bluetooth?

KeepassXC and Keepass2Android

This is exactly what I have diine and also suggest.