Telescopic walls of the Stage allow to expand it on-site very quickly.
Mobile stage can be quickly installed / moved out in station squares to attract many people.
The theater needs special lighting conditions, acoustics, atmosphere, and even street theatre need it.
Mobile Stage when folded fits into the size of ISO standart container; it mounted on a truck , so it is easy to transport and install in any place of the city.
Mobile self-folding scene is the best solution, because small time required for the installation and the small costs.