Based on cloud computing technologies, HAcademy App enables learners to access images, videos and other learning content intuitively and efficiently, and makes the learning experience more enjoyable, more convenient and more efficient. HAcademy App is simple and convenient to use, compatible with micro videos, images and PDF files. As long as the learners have their mobile phones at hand, they can learn courses and take exams anytime anywhere. Amin roles of the system can view and track statistics of the learning processes and learning effects of each learner through the HAcademy Admin interfaces so that they can really understand each leaner’s performance. “Cicada” is where users can search for online information by key words, ask questions and answer peer questions. All the Q&A content will become a part of the content pool in HAcademy, providing further knowledge sharing to the learners.