Computer World reports that there is a a Google Android kill switch, not to be confused with killer app. It was discovered after reading the fine print:
"Google may discover a product that violates the developer distribution
agreement...in such an instance, Google retains the right to remotely remove
those applications from your device at its sole discretion."
The Android Store also offers a one-day money back guarantee return policy. The T-Mobile Android G1 is set to launch October 22.