I've been developing a new app over the past month or so for 10 inch android tablets that plots your plane on top of Google maps as you fly. I've had a lot of fun learning android programming and I hope there is some interest in something like this. If you want to follow the development I have a blog here:
The software is in final beta testing and I hope to release it to the android store within the next 2 weeks. Here's a quick video walkthrough of what the software offers and a couple of screen grabs.
for some reason the youtube video won't embed. Here's the link to it: http://youtu.be/yeM1UEInDSY