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In a general aspect, a method can include establishing a contactless communication channel with a contactless transaction terminal and receiving a command from the contactless transaction terminal. The command can include an identifier of an application. The method can also include selecting, in a table in response to the command, an instance identifier corresponding with an instance of the application from a plurality of instance identifiers corresponding, respectively, with different instances of the application. Each instance identifier can be associated with a state indicator, and the state indicator associated with the selected instance identifier can specify that the corresponding instance of the application is in a selectable state. The method can further include transmitting the command to the corresponding instance of the application; activating, in response to receiving the command, the corresponding instance …