Get a .zip or .rar file containing the save folder.

On a physical PSP or an emulator like PPSSPP, your game progress is stored in a specific directory on your Memory Stick or SD card. PSP/SAVEDATA/

Unzip the folder into your computer's PSP/SAVEDATA directory.

When starting a new game in Lord of Apocalypse , the game will automatically prompt you to check for existing Lord of Arcana save data on your Memory Stick. Lord of Apocalypse - Transferring data? - GameFAQs

Many players prefer downloading pre-made save files from community sites like GameFAQs or PSP Brew to access Level 99 characters with all weapons and armors unlocked.

You can recreate your character's look while receiving bonuses like 200 Gold , 1,000 Silver Medals , and a portion of your previous currency.