If you are to develop your self confidence then you are going to have to start at home. Popular celebrities would pretty well relate this fact to you as they are often seen practicing in solitude in front of a mirror or in the case of singers, wherever they get the opportunity to sing out loud in the absence of anyone.
This is how it all begins and then slowly develops into confidence when you are ready to face the public. To simplify things further for you, there are several new developments to help you boost your confidence level, improve your public speaking skills and be ready for all situations including job interviews.
One of the best ways would be through mobile applications as these days mobile phones are what everyone owns. And there are apps for everything making life easier for you. So, as far as virtual reality goes, there is a great app that is designed to help you develop these important skills. You will have to practice and work hard towards achieving your goals otherwise it would be good for nothing as you will not be able to notice any improving without putting in the necessary efforts. When you take courses too, you won’t just become an expert without working hard towards it.