A few attempts later, it was time to see how high can it really go.
Now with snowy scenery from 500m:
And the usual data. Also fun fact, it appears that the spikes in speed data from the GPS are related to rapid altitude change more then speed variations, since a similar test with a car produced no such spikes, even with slower or higher speeds.
And as a bonus, thanks to ever growing Android Marketplace, some still photos as well: