If your talking about Kiko's iDung Pro well they recently moved to RsBuddy today i think. I will edit the topic when i find it. It costs 10$ and works great. Takes a little while to get your auth from them depending on if they are online when you order or not.
EDIT:
http://rsbuddy.com/forum/idungeon-pro-53/, all the info you need are within these few pages on Rsbuddy forums, goodluck