How can i have arrows as shown in screenshot in TOUCH UI multiflield?
The above screenshot is of Classic UI
It is available OOTB. Instead of clicking on arrow you need to move row up or down using MoveUpDown icon.
If I'm able to understand it correctly, you require a nested composite multifield.
check this -
Experiencing Adobe Experience Manager - Day CQ: AEM 64 - Touch UI Nested Composite Multifield Using ...
Experiencing Adobe Experience Manager - Day CQ: AEM 63 - Touch UI Nested ( Multi-Multi ) Coral 2 Com...