From the 'Performance' tab, tap 'View All' on the rounds section to open the list of all your saved rounds. Then tap the one you'd like to see to open the 'Round Summary'.
On the Round Summary, you can 'Edit your Round' and scroll to see Statistics, Round Details (duration, total Putts, number of holes and your best hole), Scores (Stroke Play and Stableford), and rate the course. You can also decide if you wish to consider the round to Overall stats or not by turning the toggle On/Off.
On 'Statistics', swipe to see your Driving Accuracy, Greens in Regulation, Scoring, Scores by Par, Putting, and Recovery Performance.