Locate the PPSSPP save directory on your target device (usually under Documents/PPSSPP/PSP/SAVEDATA on PC or PSP/SAVEDATA in your device storage on Android).

Because the game relies heavily on in-game progress to unlock harder challenges, a "portable" save file (or a 100% complete save) is highly sought after by players who want to jump straight into high-level battling. How to Make Invizimals the Lost Tribes Save Data Portable

Method 2: Matching MAC Addresses on PPSSPP (PC & Portable Handhelds)