FPse for Android is the fastest and most compatible PS1 emulator for handheld devices.It is also known as PSX or Playstation 1.
Create an ISO image from your favorite games and enjoy playing them on your Android phone.
or get games from below.
STEPS TO USE PSX FOR ANDROID.
install FPSE for android.
"press menu<settings<system<bios loading" and select "SCPH1001.BIN"
now it will ask you to select ISO.
select the games that you wish to play (you can download any games for free from the link below.
DOWNLOAD PS1 GAMES FOR ANDROID.
if any link is not working just comment about it.