This quantitative, qualitative study investigates the usage of mobile phone applications in teaching and learning processes. The study aims to identify the benefits, difficulties, and resolutions of using mobile phone applications. The study was conducted in the English Department at Hebron University at the second semester of the academic years 2015/2016. The study focuses on the Business English course. A questionnaire was used to show the general attitudes of the students towards the effects of using mobile phone applications in the classroom. Interviews were administered to reveal the general attitudes of the students and instructors towards the difficulties and the solutions. The results showed that most students responded positively to using mobile applications in teaching and learning processes. In addition, all students had smart phones, and they used varied brands applications in the learning process. Moreover, the results indicated that students understand and learn better through using the applications.