Why in PSP so there is not enough memory? What it is possible to make on 2Mb?
Unless probably normally to work about the Internet, browsers, listed .xm .mod .sid, to look .pdf show fractal generators, etc.. On mobiles phone and that is more ;\
Really it was impossible to establish special memory?.. 64MB even!.. To use it only for work with various programs. And for games to use the basic memory.
IMHO, Sony has missed, has not thought over such opportunity. Homebrew it has appeared more popularly than they thought. ;(