Such solutions offer a highly personalized process of learning. They provide users with great flexibility when it comes to the time and place of studying new materials, improving skills, and testing their knowledge. Moreover, mobile platforms in combination with advanced technologies that are available today, like AR and AI, can ensure unique experiences for learners, which can greatly boost their engagement and efficiency of learning. Very often, such apps provide focused learning modules that users can complete in a short amount of time even daily. Such an approach helps to enable continuous lifelong learning and professional development.