A brand-new PSP system software update version 3.70 is available now through Sony's Network Update feature. The new additions of 3.70 include:
- You can now set custom themes in [Theme Settings] under [Settings].
- Support has been added for assigning buttons in [Remote Play].
- A scene search feature has been added under [Video].
- Sequential playback is now supported under [Video].
- Simultaneous playback of content under [Music] and [Photo] is now supported.
The update will work with both the original PSP hardware and the newer PSP-2000.
Source: PSP Fanboy