WinSCP. Download it here.
Obviously, an iPad, iPhone or iPod with Snes 9x.
The iDevice must be connected to the same wifi network than you computer.
1. Access the iDevice through SSH. To do this:
1.1 In the iDevice, go to Settings>Wi-Fi. In the connection you currently have, tap the > button:
2.1 Locate the folder where the games are.
2.2 Right click on it>Properties. In Octal, enter 777. You should to the same to sub folders if you have each game in a different folder.