1. Open the App Store on your device.
2. Tap the Updates icon on the bottom panel.
3. If a new update is available for the game, it will appear in the list. Tap Update next to the update description to download it.
You can also turn on the option to automatically download updates for your apps:
1. Open Settings → iTunes and App Store.
2. Find Automatic downloads section, then turn Updates on.
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.