How do I setup an iCloud account?

First you need to create / log into your iCloud account on your old device via. the device's settings.
For further information: https://www.apple.com/uk/icloud/setup/ios.html

Then follow the instructions relating to the corresponding app:

For Dream League Soccer, open the app and navigate to the following section:

1) Open Dream League Soccer
2) Navigate to the Main Menu
3) Click "Options"
4) Click "Game Settings"
5) Click "Advanced Settings"
6) Enable iCloud

Then you will need to play a few matches to ensure that your save data is uploaded to the iCloud account.We recommend using a stable Wi-Fi connection.

For Score! Hero, open the app and navigate to the following section:

1) Open Score! Hero
2) Click "Play"
3) Click the navigation button
4) Open the app's settings menu
5) Enable iCloud

Then you will need to play a few levels to ensure that your save data is uploaded to the iCloud account. We recommend using a stable Wi-Fi connection.

You can check if the progress has been uploaded correctly by checking your iCloud storage, just locate the app in the list: https://support.apple.com/en-gb/ht204247

Then simply sign into the same iCloud account on the new device.
Should that not work, try uninstalling and reinstalling on the new device.