The ability to play PlayStation 3 dragon-combat game Lair on the PSP has generated plenty of headlines in recent days. What's gained much less attention, however, is the fact that the feature is potentially available for all PlayStation 3 games.

Indeed when checking up on the Lair situation with a Sony technical insider, we got the response: "It's a nice start. Over time, I'm sure we'll have more advanced features."

The core of this PS3-PSP interaction is the PlayStation 3's Remote Play functionality, which allows registered PSPs (you have to initially connect your PSP to your PS3 via USB to register it) to access media such as movies or TV programmes held on the PS3 hard drive, or which are being accessed in real-time on the PS3.