If the required minimum is not reached and the emulation is slow / impossible.Where is Windows? : No. To use this application you need: - A brain - A system image of the system to emulate (iso / img) - Patience (- A powerful device)F.A.Q:It is very slow / it does not work : No sorry, it's your phone that is not powerful enough all! do not forget ! Check the minimum required to emulate your system then compare that of your phone.