Developer's DescriptionBy RazerCustomize your Razer Raiju Mobile Controller with this easy to use mobile app that allows you to configure your controller's button mappings and...Customize your Razer Raiju Mobile Controller with this easy to use mobile app that allows you to configure your controller's button mappings and thumbstick sensitivity options in the onboard and cloud profiles.Visit http://support.razer.com/contact-support for assistance.