Graphene mobile neo works perfectly.
Easy to set up. wide range of configuration.
Only two minor problems (1x done; 1x open).
1) The default style is the header title and desc overlapping.
Have with this under "Child" style:
wp-content/uploads/SITE/X/gmneo-custom / (Multisite!)
corrected and works.
(#header .site-title and #header .site-desc > margin-top and font-size)
2) Use the plugin WP Photo Album Plus and have created a slide show in 3 posts.
In the vertical orientation of the Smartphone Slideshow extends across the width
of the screen and can not be pushed with "Swipe gesture action" function screen.
For horizontal orientation of the screen is wide enough.
Tested Toogle (yes) Responsive table and the slideshow will cut rigorously in the image.
Currently still looking for a solution.
I am grateful for suggestions.