The Fibonacci calculator allows you to generate the fibonacci number. Extract the ZIP to Memory Stick Root. Then chose the number of fibonacci numbers you want to compute and press cross. The fibonacci number will be saved in a text file named "ms0:/fibonacci.txt" or "ms0:/fibo.txt". Read more about Fibonacci Calculator v0.2 (PSP Application)
S2V (Slide2View) is a stylus-free picture viewing application. It can also be used to set up the wallpapers for S2U2 (0.97 or later), and assign a pic to a contact. Read more about S2V v0.35 (PPC Application)