If it can't run Java, no. Unless you can get some app that can run Java, I don't know much about iPads.
I think they really need to remake the chat with Javascript, it would be so much easier, faster, simpler, more compatible and it would look much
better with some nice CSS styling.
I don't know about chat but just posting in a basic thread is tedious on an iPad. Mine is painfully slow, waiting for each letter to populate, one
long delay at a time.