Smart phones and cloud computing were introduced to automation industry as components of connected enterprise integration systems. The established protocols and interfacing done in that area, beside the rapid growth of the hardware specification of those devices, was behind the motivation to think of smart phones as programming and simulation devices. This paper proposes a conceptual design of a system integration work structure based on smart phones and cloud computing. The conceptual design is supported by prototype of an Android application for Siemens SCL programming and simulation.