I have 2 of these
for some stuff I've done with them).
There is already a development thread on ardrone-flyers.com with regards to Android control but I am sure that they will apreciate some input from this community too.
This is a great 'toy' and the community at ardrone-flyers.com are always looking to improve it even more. We've even managed to mount GPS to it and control it using 7ch TX rather than WiFi....loads of fun to be head with these!
It is designed for iOS use buy there are several scripts that can be run on the drone itself (as the drone runs off a linux base) so that it can be controlled via PC/Laptop, Mac, Android - these can all be found on ardrone-flyers.com along with some scripts for object tracking etc.