Fully kiosk and Fotoo screensaver problem

Hello,

I set up Lenovo M9 tab as a control panel with FUlly Kiosk. I have plus on that and also got the Fotoo premium to work as a screensaver.
Is there a way to fully close Fotoo ap when it is disabled by touching the screen? Currently it stays on on the background, and when it is called again by Fully Kiosk, it will not open the slide show, but instead the start screen of fully, where you select settings etc.
I then need to turn off Fotoo manually and then it will work again as normal when it’s called next time.

So I think I need to close the app completely when exiting screensaver.
Or am I wrong in my thinking?