How to control mouse using android device

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Java

Mobile

Android

public void GetMotion(){
            try {
            Robot  robot=new Robot();
            ServerSocket Server=new ServerSocket(2222);  
            System.out.println("Server Started..");
            
            float x = 0.0f;
            float y = 0.0f;
            int x1 = 0,y1 = 0;
            while (true) {   
                Point p=MouseInfo.getPointerInfo().getLocation();
                Socket Serversocket=Server.accept();
                System.out.println("Client Connected....");
                BufferedReader br=new BufferedReader(new InputStreamReader(Serversocket.getInputStream()));
                do {                    
                    String str=br.readLine();
                    if(str.startsWith("x:"))
                    {
                        x =Float.valueOf(str.substring(2));
                        x1=(int) x+p.x;
                        System.out.println("X:"+str.substring(2));
                    }
                    if(str.startsWith("y:")){
                        System.out.println("Y:"+str.substring(2));
                        y =Float.valueOf(str.substring(2));
                        y1=(int) y+p.y;
                    }
                    robot.mouseMove(x1,y1);
                     
                } while (true);
                
            } 
           
            
        } catch (AWTException ex) {
            System.out.println(ex);
        } catch (IOException ex) {
            Logger.getLogger(MouseMove.class.getName()).log(Level.SEVERE, null, ex);
        }
        }

This is the java code for controlling mouse using android on touch event. I am setting the pointer location from it.
But pointer is not moving on hole screen on computer it only moves size of android screen.