Tap the ‘Performance' tab, select ‘Rounds’ and choose the one you would like to review or edit.
On 'Round Summary’ tap the 'More icon' (top right) and select ‘Review Round’.
Then you should be able to scroll through the holes and make the necessary edits and additions. When you're done tap the 'More icon' (bottom bar) and 'Finish Review'.
Advanced Input: If you used Advanced Input, you can see all your tracked shots. To move/edit/delete any shot(s), tap on the circle icon of the appropriate shot number and make the necessary changes.