Help! How open S3DMain.smf file?

[Oneslayer]

How Which application opens the S3DMain.smf file? I've searched all over the internet and found nothing about it! It can be found in the assets folder!

 

[xyzhunter]

download tools quickbms :

Luigi Auriemma

Luigi Auriemma

aluigi.altervista.org

then download a script for Shiva Engine.

then follow instructions like a video :