I have an ordinary, 2-gig USB thumbdrive. Can I just put the files on my thumbdrive, plug it into the PS3, and play backups?
Somewhere in the depths of this whopping 37-page thread, has someone put all of this information into layman's terms?
The short answer to the Thumbdrive question is: No. This is why specialized hardware (for the time being) is needed, and it also why these discussions aren't in Layman's terms, because this procedure is NOT for the Layman. I'm sorry to break it down for you like that, but if you just want to play backups, I suggest that you A) Invest in a retail Jailbreak, B) Wait until a simpler solution arises, or C) Start learning.
I don't say that last one to be insensitive, merely that spending time reading back over forum posts and Googling can be beneficial to you here.
Would this be possible with something other than Android or iOS? Like mentioned before an mp3 player or a phone like a Samsung Reality (Which I have) I'll wait for a Teeny if needed, but I would really like to find another solution.