Learn Forward designs and develops an open source tool for creating context-aware digital textbooks and platforms. Its product is Hypersay - a platform for interactive presentations based on PowerPoint files and Google Slides, with the audience involved. It is a web tool that schools and teachers can use to engage students in classrooms. Teachers can create lessons with a variety of interactive features: real-time quizzes, open questions, videos, images, links, a question wall, instant feedback, follow-up and engagement analytics. Students access the lesson through a session code. Teachers control and synchronize the pages inside the students' mobile device.