It will be very useful for users to have an opportunity to control external visual appearance of their applications, especially the mobile one. This potentially functional feature provoked the authors beginning a research on development of mediator tools, which can help users for that. In this paper, will be presented a flexible tool, that controls remotely and dynamically visual appearance of cross platform mobile native shopping applications. Its architecture is multi-layered and later can be used like a base extension for other connecting tools. They can manage UI mobile applications from different types.