If you want to execute a set of block based on the device on the server  side you can full this shortcode,

Parameters

mobile: all the code within this block will be executed only if request is coming from mobile phones

tablet: All the code within this block will be executed only if request is coming from a tabled device

mobile_or_tablet: All the code within this block will be executed if request is coming from either mobile or tablet device

desktop: All the code within this block will be executed only if request is coming from deskopt/laptop.

[aw2.query posts_builder part=start]
          {
        	"posts_per_page": -1,
        	"post_type": "as_banner",
        	"post_status": "publish",
        	"order": "DESC",
        	"orderby": "date"
          }
        [/aw2.query] 
        [aw2.query posts_builder part=run set="module.qu" /]
 [aw2.loop module.qu.posts device="desktop,tablet"]
   HTML goes here
 [/aw2.loop]
 [aw2.loop module.qu.posts device="mobile"]
   HTML goes here
 [/aw2.loop]