YOU CAN SKIP THIS STEP AND GO ON, BUT IT'S HARDER THEN.
Extract the CSPSP mod's EBOOT.PBP.
Use PBP Unpacker.
Download PBP Unpacker
In the program, press open, and open the EBOOT.PBP
Press the right mouse button on DATA.PSP and press "Extract..." and extract in anywhere.
Do this also with the rest of the files. STEP 3
Open Hxd, and open the DATA.PSP file in it. Press Control+F and write the text you want to change, for example "Buy Menu". It'll show you the text highlited in numbers and in letters, you can change the letters, BUT MAKE SURE YOU DON'T PRESS BACKSPACE, NEVER. Just overwrite the letter. DON'T OVERWRITE THE DOTS, IF THEY ARE 00 IN NUMBERS.
change Step 4
Save the file to an other DATA.PSP.
Open PBP Unpacker.
Press "New". Load the PARAM.SFO, the ICON0.PNG and DATA.PSP into it.
Press "Save", and save it in the CSPSP folder. Step 5
MAKE SURE YOU DON'T PRESS BACKSPACE, NEVER.
DON'T OVERWRITE THE DOTS, IF THEY ARE 00 IN NUMBERS.
If the EBOOT won't work, or online won't work, then you have done something wrong.
Old Version without Hex
New Version with change Hex
thx to mat5b for TUTORIAL.