@wojpen

Thanks for the reply.

I solved these issues a while ago but couldn't figure out how to remove my post. (Is there such a function?)

1. The font size in settings is bigger.

2. The icons that appear at the bottom of screen is too small.

3. The grid size in settings is bigger than it should be.

To fix the issues, in ui_nextgen/common/ui/pioneer_skin.css,

1. TEXT.listitem.submenu

fontsize:fontsize_menu should be changed to fontsize:fontsize_submenu

2. The bottom bar is called quickmenu. Comment out "LIST2.list_quickmenu" section will fix it.

3. The grid is in fact submenu, instead of mainmenu (which is the lower right corner icon)

Comment out "LIST2.list_control, LIST2.list_submenu" section

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After I spent a few hours or days on it, I still feel like going back to the 'original' (non-grid) layout. For some reason, there is a 2~3 second delay when I select any function from the menu (either original layout or grid layout) my Nexus 7 (2013), which is strange because the same UI responds faster on my old WinCE 6 device.