Will play any 262144 bytes long SMS rom (good example - sonic the hedgehog). Rom must have name sonic.sms. Edit satclays.cti for your paths.
LEFT/RIGHT shift controls frame skipping (+/-).
Saturn B button for sms-a, and Saturn C button for sms-b button.
To make propertly ISO just edit satclays.cti for your paths (do not forget to provide sonic.sms rom) and then run mk.bat - it'll create satclays.iso which can be burned even in Easy CD (CD-ROM from image file option).
You must use only ROM that you leaglly own (as cartridge for example).