Currently Google TV doesn't allow for doing anything to the guide or TV programs either. The Program guide thing is terribly problematic since they rely on IR

Currently Google TV doesn't allow for doing anything to the guide or TV programs either. The Program guide thing is terribly problematic since they rely on IR blasters, emulating remote control signals to do everything. Stay tuned, if this project doesn't get killed it may end up closer to what you are envisioning.