This software is… well, maybe not the complete fake but something useless (and probably also close-source, then it is effectively the evil).
You can configure such hot spot using just Windows in no time, without any 3rd-party software. This is called using "Hosted Network" for connection sharing. Please read about it:
http://msdn.microsoft.com/en-us/library/windows/desktop/dd815252%28v=vs.85%29.aspx[
^].
See also:
http://winsupersite.com/faqtip/windows-7-tip-week-use-wireless-hosted-networking-share-internet-connection-wirelessly[
^].
And this is the simple instruction manual for non-educated users, in the style of "grandmother's recipe". Yes, it works. This is one of the many manuals of this sort on this topic:
http://www.wi-fiplanet.com/tutorials/article.php/3849841[
^].
That was only about the product you have found. As to the rest of your question, I just could not understand what you are trying to achieve. I don't understand how it can be related to this product and your desire "to make one similar", sorry. If you explain it, we can discuss it.
—SA