When you touch a table on mobile when table-builder is enabled, it reduces the table opacity to 0.5.
The edit button is floating outside the screen, on the right.
If you want to select some table content for, say, copy-paste, you can’t avoid this opacity issue. If the table is taller than your screen, you can’t click outside the table to remove the opacity.
In this regard, the table-builder experience on mobile can be improved 