Mobile learning is getting very popular in this 21st century due to advanced digital technology. Students' in the present day are growing up in a society which is immensely different compared to their teachers. Many educators are struggling to keep up with the modern evolution and there is a need to change teacher beliefs. This study, investigated how students' can benefit if mobile hand held technology is incorporated into their learning. The study further investigates how low socio economic students' manage this technological evolution. Peer reviewed journals were analysed to find out how mobile digital technology is improving students' academic achievement level in different parts of the world. This study looked at many peer reviewed journals, but 18 were chosen to be analysed. The journals releveled that incorporation of these technology into lessons improve student motivation, improves academic achievement, improves engagement, builds student -- teacher relationship, technology is very easy to use, students' feel comfortable, enhances peer engagement and social media can be beneficial to education. On the other hand, journals also reveal that teacher beliefs needs to be changed, more professional development is needed for teachers, schools are restricting many useful websites as they are fearful, can bring digital divide, can be disruptive to students' and low socio economic students' can be left out. There is an urgent need to involve this technology into lessons as for many students' using these handheld mobile devices has become a daily part of life. Many parents also believe that these devices can help their children achieve improved academic results. Mobile learning motivates and improves student academic achievement level, however many schools around the world do not give students' full access to internet during school hours and many also ban some useful websites which can be very beneficial to student learning.