Tap centre to change to digital clock with data. Tap weather to open weather app. Tap 3 oclock to unlock colour-change taps, which are located at 2, 4, 8 and 10 oclock. Tap 12 oclock to open favourites app drawer. Tap 9 oclock to open larger app drawer. Battery levels are indicated by the arrows on the perimeter, phone left and watch right. Tap 6 oclock to see actual battery percentages.