I made a little theme which adds a circle around all icons in app launchers. Its inspired by folder background in Android N preview.
![preview 1]( "preview 1")
![preview 2]( "preview 2")
Play Store Link: https://play.google.com/store/apps/d...h.lightentheme
Play Store Link: https://play.google.com/store/apps/d...h.lightentheme