I just updated my HTC Amaze to ICS and Sense 3.6. While playing with my phone my home screen got switched to a different tile. I know in gingerbread all you needed to do was drag the tile to the 4th spot, but it isn't working. I'm not sure if it's ICS or Sense 3.6 but the tile that is selected to be the home screen has a green border now and I'm unsure of how to change it.