stage.addEventListener(KeyboardEvent.KEY_UP, checkForKey)
            function checkForKey(event:KeyboardEvent) {
                if (event.charCode == 37) {
                    andro.x += -50
                }
                if (event.charCode == 39) {
                    andro.x += 50
                }

                if (event.charCode == 38) {
                    andro.y += 50
                }
                if (event.charCode == 40) {
                    andro.y += -50
                }
            }