It's easier said than done man. In order to wrap to a certain frame or skip parts of the game you would need exact addresses which, by changing them, will make a certain effect.
Either way, I'll help you a little if you really want to make one.
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[script] [/script] - It starts and end the script part of the file. Everything outside it will not be parsed by program.
[title] Name that shows on select screen
[creator] For example "32th System"
[maker] Creator of the game or software to which this SSG is made for. For example, for Touhou games it would be "Team Shanghai Alice"
[process] It's the process which the script will look for, for example "th07.exe"
[note] [/note] - Some info about the script lands here.
In understanding the way you make menus, selectable, you may would like to check the attachment.
But what is important is:
[group]Main //main group, I guess it's necessary to make it all work.
[subject]Some_name:dir //makes a "directory"
[subject]Some settings/ON/_:toggle,0x44116B,00,FF
// I would explain it this way: It makes a selectable entry labeled "Some settings". When clicked, on the right displays a label "ON". By using _:toggle we instruct the program it's a toggleable setting (it will have check box). Next three parameters are related to adress and changed values I guess, I can't help you much here, you need to check it out by yourself.
[back] //Ends the "directory" part
[/group]