Abstract: A system for multi-tasking access to applications by a clientless mobile phone. The system includes at least a clientless mobile interaction (CMI) application server communicatively connected to a network; at least one application server communicatively connected to a network, the at least one application server having at least a first application executable on the clientless mobile phone and a second application executable on the clientless mobile phone; and a presentation layer gateway communicatively connected to the network, wherein the CMI application server enables the clientless mobile phone communicatively connected to the presentation layer gateway by at least a presentation layer protocol to access the first application and the second application executed on the CMI application server while presenting a menu on the clientless mobile phone for seamless switching between the first application and the second application executed on the CMI application server.