It seems that the pre-release of ScriptPlayer 1.1.1 added Handy support.
ScriptPlayer 1.1.0 cannot be used.
You can download 1.1.1 here (expand the little text named Assets at the end of the 1.1.1 post):
Check the following two threads for more info where others had issues connecting The Handy to ScriptPlayer.
https://discuss.eroscripts.com/t/scriptplayer-1-1-0-handy/4114
https://discuss.eroscripts.com/t/scriptplayer-1-1-1-and-the-handy/11817