You can transfer the game progress from your old device to your new device with the help of a computer.
Please follow the steps below:
1. Connect your device to your computer.
- You can find the detailed info here: https://support.google.com/nexus/answer/2840804
- You can find the detailed info for Amazon devices here: http://www.amazon.com/gp/help/customer/display.html?nodeId=201588860
2. Find the following folder:
...\Android\data\com.awem.cradleofempires.andr\files\Awem
Find the following folder for Amazon devices:
...\Android\data\com.awem.cradleofempires.amzn\files\Awem
3. Copy the whole Awem folder to your computer.
4. Install the game on a new device and open it at least once.
5. Connect your new device to your computer and copy your saved Awem folder back to the same place on your new device.
Note: If the folder for the saves is not created after you open the game for the first time, please play to XP level 5 and then check the folder once again.