Portability to maintain a half dozen "cloud" logins in the browser?

I am moving a lot between home and the office and I would love to leverage Portable Chrome to be logged in to my work e-mail, calendar, chat service, and a few other sites with my work account, and then just move that USB stick to a different computer, open up my Portable Chrome, and still be logged in and have it automatically go to the exact pages I was at when I left the office.

I tried it today, moved between my work PC and went over to another PC, put in the Portable Apps USB stick, ran the Portable Apps app, opened my Portable Chrome, and _nothing_ was logged in. It didn't even remember what pages I had open and I needed to go into History to open them.
Even though I had set my Portable Chrome preferences to resume open pages on launch, it even forgot that.

So, what am I doing wrong? because I really thought that was the big feature of portable apps? To be able to take it with you, and use it wherever, and have it operate the same way, no matter what host computer it's on- because the data the app needs is stored with the app, on the USB stick, and not on the PC. Passwords, settings, history, etc.

And I apologize if this is a newbie question asked again and again.
But I consider myself fairly computer savvy and it's either not working as I thought Portable Apps were supposed to, or the Portable Apps app is missing some basic setup help to ensure that it does work like Portable Apps are supposed to.