The importance given to foreign language with the development of information and communication technologies has led innovations in teaching activities. New modern ways have been sought for the use of information technologies in foreign language courses and how these technologies to be transferred in more effective and engaging way. In this study, the effect of the multimedia content integrated to learning materials using 2D barcode technology to vocabulary learning and students' ideas about this new learning environment were investigated. 40 students from Gazi University, Department of English Language Teaching participated to the study and they separated to 2 groups randomly. Learning content is limited with the 84 words contained in course book. Mobile content has been presented to the students with 2D barcodes placed to the pages of the book. The achievement test that measures the vocabulary learned was applied to the students before the study as pre-test and after the study as post-test. Participants have used the course book and mobile learning material for two weeks. In conclusion, mobile assisted learning environment has increased students' level of vocabulary for the target words. Students' opinions about this new environment supported the results. (C) 2013 The Authors. Published by Elsevier Ltd.