Connected PlayerInputSystem and CameraControllerFocusSystem to space-ship.
PlayerInputSystem - is a system which checks if keys are holding-down with adding movement vector to target Box2d body.
CameraControllerFocusSystem - is a system which adds movement vector to camera. Vector depends on distance from center of camera Rectangle to center of Rectangle which is ideally expected to be seen by player.
PS: also configured asteroid random groups spawns