If you had an iOS device and did an emailed backup in the past and are trying to restore that backup to an iOS device, open your most recently emailed backup from your device. Then click on the attachment. This will restore your data to your app.
If you had an iOS device and did an emailed backup in the past and are trying to restore that backup to an Android device, follow the instructions in your Android app’s settings/data/restore from iPhone. If this does not work, email your backup file to support at gpapps.com. We will help you restore your backup to your new Android device.