Rudy (Railsounds) from Lionel posted the link to the LCS iCab info page in the LCS thread.
Not a lot there yet but figured it was worth a thread it's own thread for discussion since it was something a lot of folks asked for.
Here is the link. LCS iCab Page.
Sounds like 3rd parties involved with the LCS Partnership Program will develop other platform Apps. BlueTrain has already been involved in an Android App.