Among the sharp development of modern technology, mobile learning (M-learning) appears as the significant mark of technological revolution 4.0. It has seen that the exponential expansion of mobile devices accompanied their smart functions to support learners' learning everywhere and every time. Thus, mobile-assisted language learning (MALL) is believed to serve learners' English knowledge. Although learning through mobile devices is expected to apply appropriately to teaching and learning, teachers' attitudes towards mobile learning need to be assessed seriously. This writing is to present EFL learners' psychological preparation to perceive English mobile learning application at University X through a survey on 69 EFL teachers by questionnaire, including ten statements within 10 minutes. The investigation is carried out in the second semester of the school year 2018-2019. The qualitative approach was used to collect and analyze data, and findings showed that teachers have positive attitudes towards M-learning and its application at University X can be accepted firmly.