[via PSPWorld.com]
“Sony’s developers are considering adding Macromedia Flash support for PSP’s Web browser in the future, as well as expanding Javascript functions. Kawanishi explained they need to determine Flash’s performances on the PSP before coming to a conclusion. Kawanishi said that his team basically has an open stance toward network-related functions, and Flash playback was not intentionally ignored. On the other hand, Kawanishi explained that security issues prompted the team to leave out some Javascript support, such as allowing scripts to access the UMD.”
http://www.pspworld.com/sony-psp/psp/psp-to-get-mouse-keyboard-gps-flash-001311.php
I can neither confim nor deny that this is actually going to happen. It looks like Sony is just expressing their interest in pursuing this option.




