There is no "master" - we are all in control of our destiny, and our flowtoys :)

Grouping is voluntary: You need to intentionally group your lights in order for them to be connected and synced. Unless you join the "open" groups (color groups in p5m1) - lights in the open groups is automatically connected, even if you didn't go through the intentional grouping procedure.

Some notes on grouping:

  • You can have some of your lights grouped, and some not, or have a few different groups among your lights. 
  • Any light can temporarily join a group, but retain its old grouping data.