Wrong section, the developer section is for releases and guides only, if you have questions post them in the main Shaiya Private Server Section. To answer your question
And to let them play on the account you send them the files of your server, e.g. Updater.exe , game.exe , data.sah etc.
To use lilprohackers tool, make sure you have .net 3.5 installed on your computer.
And to use it, well click on the .exe, go to File>Open>Data.sah(to your server) the when it opens find Cash.sdata and right click that and click export, and export it to your desktop, then take the shStudio tool (

) and go File>Open>Cash.Sdata then you edit it in any way you like.
After thats done go back to lilpro's tool and right click on Cash.sdata, then click Import, and select your edited Cash.Sdata (from desktop). Once its done importing, close out saying yes to all thats needed, and then play