IMPORTANT: Do not uninstall the app before taking all troubleshooting steps, as you may permanently lose your game progress. 

If you're running into issues playing an app on your iOS device, try the following steps:

1. Force close the app
2. Restart your device
3. Update the app
4. Update your device software
5. Check your internet connection
6. Check how much free space is left on your device

Visit the official Apple site for additional support.

Note: the following troubleshooting steps also apply to apps that are no longer receiving updates and have moved to a legacy status. If these steps do not help, then it is likely that the legacy app will no longer work as intended on your device.

1. Force close the app and any apps running in the background

1. Double-click the "Home" button.
2. Swipe left or right to view running apps.
3. Swipe up to close an app.

2. Restart your device

1. Hold down the "Sleep/wake" (On/off) button on your device for a few seconds.
2. Move the slider on the screen to the right to turn off the device.
3. Once the device is completely powered down, turn it back on. Hold down the Sleep/wake button again until the Apple icon appears on the screen.
4. When the device has restarted, try launching the app again.

3. Update the app

1. Tap the "App Store" icon on your device.
2. Select "Updates" at the bottom of the screen.

4. Update your device software

1. From the Home menu, tap "Settings".
2. Select "General", then tap "Software Update".
3. Your device will check for and display available updates.

5. Check your internet connection

Ensure that you are connected to the internet and have a steady Wi-Fi connection.

6. Check for available free space on your device

1. From the Home menu, tap "Settings".
2. Tap "General" in the left column.
3. Select "About".
4. Check "Available" to see how much free space is left.

To ensure the best performance, your device should have at least 1GB of available free space.