Samsung Galaxy S4 play edition and exFat Does the Play version of the Galaxy s4 include support for exFat in the sdcard reader? Or is exFat support one of the extras that Samsung adds to the device (presumably since they made the licencing agreement with MS)?

This question is specifically about the version available from Google's Play store that comes unlocked and without touchwiz.
I would assume YES.

From allaboutgalaxys4:


  The device supports the FAT and the exFAT file systems for memory
  cards. When inserting a card formatted in a different file system, the
  device asks to reformat the memory card.