The main goal of this work is to create Android libraries, which will visualize the result of a simulation, done in MATLAB/Simulink, of two devices: Magnetic Levitation System (MLS) and 3D crane. The Android application created using libraries, created during this work, will communicate to a PC, running MATLAB/Simulink simulation, using internet connection. The libraries should be scalable, reliable and easy to implement. Support different screen resolutions and Android OS version. The Magnetic Levitation System is a nonlinear, open-loop, unstable time varying frictionless dynamical system that keeps the metallic ball levitated. 3D crane is The three-dimensional model of industrial crane, which integrates with MATLAB/Simulink and operates in real time.