Homing is a portable digital mirror to provide the possibility to perform immersive training (mirror therapy) in a limited operating area providing a Virtual Environment. It can be projected on wall or on TV. It provides real-time motion capture and visual biofeedback during training. Thanks to the advanced technology and the high resolution of 3D camera, without a need to put on markers or sensors on users when performing exercises. It improves the mobility, balance, agility and overall coordination of users.