The invention of smartphones influenced every area of people's life. According to the needs of the people, companies are producing the latest versions of Smartphones with modern technologies. Demand in the market shows with much evidence that the usage of smartphones is increasing day by day in the world. Smartphones are not only used for communication purposes but also other purposes like web surfing, entertainment, education, camera, and so on. Educational institutions have introduced Smart-education using Smartphones in all the fields of education. Coming to language learning, Mobile language learning was first started in the year 1980 by Twarog and Pereszlenyi Pinter to take feedback and assistance for distant language learners and gradually increased its usage due to the advantages it offers. This study focuses on analyzing the increasing demand for smartphone users to learn the English language among Undergraduate students and identify the language skills that are enhanced after using a smartphone. As a part of the research, a questionnaire is administered among the undergraduates of urban and rural areas of Telangana state in India. After collecting and analyzing the data, it is considered that the usage of smartphones enhanced English language skills, such as listening, reading, writing, grammar, vocabulary, pronunciation, communication, etc. And for the past 5 years, the usage of smartphones among undergraduates has helped in improving their English language skills tremendously and its influence would be more in the coming years.