Go to browser and search pssp games and collect what you you games want games download it

it is very ez, you need a iso zip file of your gme that is compatible with psp, then you need to extract it through ppsspp after that proccess you can now play your game.

Note:Games that are compatible with psp can be extractable.

Hope it helps

and you need first go to YouTube and sarch PSP games android and you see video click one video and see description and there is lot of games and you need download zarchiver on play store and you download extract game and its done