The other day I was thinking, as you do, and it came across me, why can’t you use an idevice such as an iPhone or iPad to control basic functions of a PS3? A bit of a random thought I know, but using one as a remote would give more functionality than a standard controller.
The way I see it would work (and I have googled to see if it has already been done and as far as I’m aware, it hasn’t), is that it would be in app form. It would be loaded up and connect via either bluetooth or wifi to the PlayStation. Almost acting as a secondary display, an XMB (cross media bar) would be displayed on the iPad screen, all the usual gestures would be usable and the functions could be used. It wouldn’t be able to be used to play games with, but it would make sense if it could be used to view images, play music or play video with good playback functionality.
Using the standard PS3 controller for media functions on a PS3 can get a bit confusing, and not many users would be willing to fork out for a specific media remote for it. The number of users who have iDevices is pretty much at 100 million at the moment, and the app would be available to all, and in my opinion, something which could be quite popular.
Here is something I quickly knocked up to show what I mean, even if it just looks as though it is a secondary screen…