Since most of the parts of the touchpad are standard linux/android components, and since another dev has been told by the touch screen manufacturer that part of the manufacturing process included a test/setup phase that involved Android, I would be surprised if this couldn't be rapidly achieved...
The big issue is to keep the dev teams from not sharing their knowledge and abilities. Unfortunately, this is the general side effect of competition for a monetary prize.
You know, the funny things is that I would bet 50% of the TPs sold went to people who intend to load Android.
500,000 people x $1 each donations to support development goes a long way across 5, 10, 15, or even 20 people.
Get over the money people. Focus on who you are helping. Surprisingly, Fortune 500s have a knack for identifying talent and making freelance work worthwhile. Get the job done, the rewards will come either way.