Panasonic just released a remote application for the FX90 that runs on iOS and Android devices (requires a camera firmware update, too). But as Engadget described it, it's "pretty much a glossy dumb remote." Once again we have a Japanese company doing technology implementation over features.
Consider how you'd use such an app and why. Perhaps I want to be in my own picture. One of the user problems with Self Timers is this: you're not sure what the framing is. Great, set your camera up on a tripod, invoke the remote live view on the Panasonic App and...uh, that's where start to see the disconnect. I don't want to be holding up my iPhone in the resulting picture, so I need a self timer in the app and it isn't there!
The Japanese companies are great at solving technology problems, not so much at actually seeing user needs and solving them before the user discovers they have a problem. Now perhaps I'm being a bit harsh on Panny. Maybe they just wanted to get the app out into the market and get the connection tested before they doll it up with useful functionality. Let's hope that I'm wrong and they actually see what they should do next (and there are a lot of missing things they need to consider).