1. Open the Google Play Store app.
2. Tap the Menu icon in the top left corner.
3. Tap My applications and games.
4. If an update is available, an Update button will appear next to the game of the game.
5. Tap Update to install an available update.
You can also turn on the option to automatically download updates for your apps:
1. Open the Google Play Store app.
2. Tap the Menu icon in the top left corner.
3. Find the Settings section.
4. Tap Auto-update apps.
5. There you can choose between 2 options:
- Auto-update apps at any time.
- Auto-update apps over Wi-Fi only.