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We consider some functions used in modern gadgets, in particular, the split screen, and the possibilities to employ gyroscope and accelerometer using an example of a customized gaming device, Wowcube. This device is a smart toy with tangible interface and is an analogue of a portable console with its potential going beyond launching applications only. The design of a firmware complex of a customized eight-processor gadget with a tangible interface is described. The structure of a data batch exchanged by the units of the complex to ensure synchronization is presented. The method of exchanging messages and the message lifetime are described. The commands used to exchange messages between the unit and the launched application are described. A list of the commands used by the platform and applications is determined. In order to determine the topology of the cube unit network, an example of operation of the message exchange system between the platform and an application, as well as between the units, is considered. An application for the customized computer complex has been developed using an SDK. The developed application takes into account the specific features and limitations of the device. The process of interaction of the device elements is described using this application as an example. Operation of the main menu of the device is presented. Means of the user’s interaction with the tangible interface are described.