Since last weekend, Google Earth is now available for the iPhone and iPod touch.
Software is like entropy. It is difficult to grasp, weighs nothing, and obeys the second law of thermodynamics; i.e., it always increases.
Norman R. Augustine
Not all that sure Txjak, You'd be best to ask Google about it.
But I did find this information about GE on the Android platform, so I'd say the same applies to the Palm
While Google Earth is available on the iPhone, we're unable to offer information about future offerings of the program. Please understand that we don't have information about if or when Google Earth will be made available on other platforms.