You can restrict the Android Production key to a specific Android application by providing a release certificate fingerprint.
Get Release certificate fingerprint
keytool -list -v -keystore YOUR_KEY_STORE_NAME -alias YOUR_ALIAS_NAME
YOUR_KEY_STORE_NAMEwith the fully-qualified path and name of the keystore, including the .keystore extension.
YOUR_ALIAS_NAMEwith the alias that you assigned to the certificate when you created it.