KDE Connect, when set up properly(pretty much does it automatically) alongside a linux system, you can access the entirety of your phone’s internal storage over LAN as if it were a network drive mounted on your PC.

Unfortunately banking apps are only going to get harder to run on software uncertified by Google.

Why not? especially when it’s a laptop from 2010

For the Ally there’s just not enough benefits to go through the effort, I’ll reiterate.

for you, yes.

Are you aware that steamOS supports more than just steam games?

Are they really that unwelcoming? I’ve heard a bunch about this, fortunately never got to experience it first hand.