Making your player mob change angle based on your mouse position is pretty simple. The following code will add such a feature to your project.
onMouseMove(pDiob, pX, pY)
var x = (this.mob.xPos - this.getScreenPos().x) - pX
var y = p ...
Basic code to allow you to add draggable interface elements to your project. Any interface element with the <b>isDragEl</b> variable set to <b>true</b> like in the code below will be able to be dragged around the screen.