This book seeks to demonstrate the relevance of the use of mobile devices both inside and outside the university classroom, whether in face-to-face, blended or virtual contexts, in order to promote English language skills in a ubiquitous context rooted in contemporary advances, Since Peruvian education today needs to be more in line with global trends, we must detach ourselves in some way from traditionalist ideas and, on the contrary, focus on developing more meaningful learning through technology, as it is currently known that young university students manage it on a daily basis.