This document discusses the use of mobile phone technology in English language teaching. It outlines how mobile phones can be used as part of mobile assisted language learning (MALL) to make English learning more interactive and accessible to students. The document reviews related research on MALL and describes various activities and features of mobile phones that can be harnessed for English instruction, such as voice recording, SMS, internet access, downloading materials, and using the camera. Both the advantages and limitations of MALL are discussed. The document concludes that while mobile phones have great potential to support language learning, their use also requires addressing challenges like small screens and consideration of best practices.