Snes9x EX is a SNES/Super Famicom emulator based on Snes9x. There are two versions, a faster a less accurate build based on Snes9x 1.43, and Snes9x EX+ based on the lastest Snes9x code.
About Save Games:
A standard .srm file is created for games with battery backup
Save states use Snes9x .frz file format (1.43 port uses .s96), backup memory is overwritten when loading a state
How to use the SNES mouse with a touch screen:
If not auto-detected, activate with Console Options -> Input Ports -> Mouse
Move Cursor: Touch & drag
Left Click: Tap
Right Click: Long tap (Touch & hold for over 1/4 sec. and release)
Move Cursor with Left Button Held: Double tap & drag
Move Cursor with Right Button Held: Tap & drag within 1/4 sec. of a long tap