Stick pick and pupil picker

As part of my new goals as a lead instructor I've been looking for ways to keep students engaged in materials, hold them responsible for contributing to discussions, and check for understanding when it comes to following directions on projects. While I currently rely on volunteers and using bonus points to coax students into sharing their thoughts with myself and the class I am now trying to shift over to haphazard or random selection. I think these methods will keep students listening. As part of my new goal I downloaded two new applications that will help me select students at random and track their responses to questions: "Stick Pick" and "Pupil Picker". I intend to launch these in my classroom on Monday and will be looking to see how each can be used to accomplish the three goals I listed and additionally help me track student responses to see which content or directions seem most confusing to my students.