It´an android application, both are memory games.
The Xxx version is only reachable through the adult market MiKandi, which can be found at MiKandi.com.
The Xxx version you get to see the complete image when solving the puzzle. The Adult version you only get to see a bigger version of the game pieces.
adult-version:
[link]
and
Xxx-version:
[link]








And hey, I hope you don't make an iOS version, that OS is already overrated not to mention its patent war has gone out of control due to the high fear of enemy competition. Just let them be and find their own entertainment...