Somewhere in the next week a widget will appear in the appstore, which provides the requested behavior.
In the mean time, you could use the rich text viewer to embed HTML in the client. It is not very elegant though.
The widget is now available in the appstore :)
Hi Tijl, i'd be interested to see what became of your google integration. Can you post a screenshot? ;)
There is Google Maps widget available in the appstore now!