Answer by Frédérick Nara for Mouse-click without moving cursor?

# hwdn = window Id (Nox, or BlueStack), pos=(x, y) relative pos  in window def leftClick(hwnd, pos):    lParam = win32api.MAKELONG(pos[0], pos[1])    win32gui.SendMessage(hwnd, win32con.WM_LBUTTONDOWN, win32con.MK_LBUTTON, lParam)     win32gui.SendMessage(hwnd, win32con.WM_LBUTTONUP, 0, lParam)    time.sleep(0.1)