A method of accessing in a mobile communication device (4) an application (5, 14, 26), the application (5, 14, 26) being issued by a Service Provider (2), from a trusted application, also known as wallet (12), in which mobile device (4) a secure element (7) such as a SmartMX device is comprised that comprises a service manager (8) that manages the application (5, 14, 26), comprising managing by the service manager (8) a link between the application (5, 14, 26) and an application-codec (6, 15) also being issued by the Service Provider (2), wherein the application-codec (6, 15) is designed for interfacing between the service manager (8) and the application (5, 14, 26) and for processing an access request requesting access to the application (5, 14, 26)received from the service manager (8) and triggered by the wallet (12), and, triggered by the wallet (12), accessing the application (5, 14, 26) via the service manager (8) by means of utilization of the link between the application (5, 14, 26) and the application-codec (6, 15), such that the application-codec (6, 15) linked with the respective application (5, 14, 26) performs accessing (23) the application (5, 14, 26) under control of the service manager (8).