How to make an in-app purchase
1. You can make a purchase in the watch face settings menu.
To open the menu, make a long tap on the center of the screen, then tap on the settings icon at the bottom of the screen.
Click the "Buy" button, after which, after clicking on the "Buy" button on the linked smartphone, a prompt to make a purchase will appear in the notification line.
Open it and follow the Google Play instructions.
2. You can also make a purchase in the companion app.
If you have already made a purchase, try turning bluetooth OFF on your watch and then turning it back ON.
After that, the purchase information will be updated on the watch in a few minutes.