The launching of functions is the same as in the standard module.
One thing that is different though is that if you map a key to long press and hold long-long, you get the long press for the mapped key.
The standard action for long press menu is search, I have no idea why the search actions are cycled.
Why do you map multitask to recent apps, is there a difference in appearance?
I have heard Long press recent apps is Menu by default on Note 4.