IEEEBenlloch-Dualde, J.; Buendía García, F.; Lemus Zúñiga, LG.; Cano Escribá, JC.; Gutiérrez Cuba, JV.; López-Malo, A.; Palou, E. (2013) The goal of these works was to redesign studied courses at both universities from a lecture-based format to a "challenge-based" format by using Tablet PCs and digital ink. In order to support the studied approach, different inkenabled software tools were utilized. Class sessions were enhanced through the usage of Classroom Presenter, a penbased interaction system that supports the sharing of digital ink on slides between instructors and students. InkSurvey also allowed teachers to pose questions, receive instantly digital ink responses, and provide real-time formative feedback. Some other tools such as PDF Annotator and Ardesia helped instructors to review coursework and assignments and provide formative feedback as well. We studied our approach over the two last academic years by observing classes at both universities, obtaining selected student achievement indicators and conducting surveys with students and instructors.