We recently had a customer request help with configuring OBIEE for use on both PCs and mobile devices (specifically, the iPhone). Of course, this is possible, but Oracle does not have a clearly documented approach. You might think that a separate server is required to accomplish this. However, the fact is that you can actually use a single server to deliver OBIEE reports for both PCs and the iPhone.
For those interested, following is a link to the Oracle OBIEE Indicators iPhone Demo:
This article is part of the recent work short blurb series.