swipe down and close all apps doesn't work

[Former user]

i install the toolbox and in the first time,all works fine,but when choose the APM, the module no response,well, i uninstall abd install again, but the swipe option for close the recent apps,not work for nothing...my rom is the skydragon v4.0 android MM and sense 8.

[Mikanoshi]

6.0 is not supported