It does work fine for starting up Tear, yes, but it stops the default browser from loading up when I click on the Web icon in the menu. This is with the default browser being set to MicroB and continuous mode being turned on (I also tried with it turned off). I'll try and look into it.
Meanwhile, I've updated the GUI to be more Fremantle-friendly; diff here: http://slexy.org/view/s2JL7ye01p