Can I use the controller without the SIKUCONTROL APP?
The remote-controlled siku models can only be controlled using a gaming controller via the SIKUCONTROL APP, which you can download free of charge from the App Store (iOS) or Google Play Store (Android).
https://www.siku.de/en/Frequently-asked-questions/SIKUCONTROL-Gaming-Controller/Can-I-use-the-controller-without-the-SIKUCONTROL-APP