DigitByte Software for Windows, Mac, iPhone, iPad, iPod – free download
How To convert 3GPP (*.3GP) to PSP
3GP is a streaming media video encoding formats based MPEG4, It is developed to be used mostly in mobile phones through the 3G network with high-speed transmission, so it is the most common video formats in mobile phone based GSM.
If you wanna convert 3GPP (*.3GP) to MP4 compatible with PSP, and here’s a software you might need.
About 3GPP (*.3GP) to PSP converter 
Altdo Video to PSP Converter is a powerful multi-format converting tool for PSP movie with high speed and without movie quality loss. It can convert avi, asf, mov, wmv, mp4, m4v, mpeg, mpg, 3gp to psp format. You can enjoy your favorite movies on your PSP Player, it is faster than other PSP Converter software, and just a few clicks are enough. It is designed for anyone who wants to watch multi-format movies on PSP Player. The interface is very vogue.
Download 3GP to PSP Converter | Buy Now (PayPal)
Note:
The above downloads are the downloaders from Regnow of Digital River Inc (Nasdaq: DRIV). When it is running, the firewall on your computer may popup the request for Internet access. They have been tested and are 100% CLEAN.
Related 3GPP (*.3GP) to PSP converter