The fist one is the use ofSMS for transmitting
shortmessages. One advantage ofdeploying mobile
applications on SMS is that almost all cell phones
are SMS enabled. As such, sending text messages
by SMS is carried out to motivate students to learn
and practice their vocabulary knowledge as
demonstrated in many studies. Cavus and Ibrahim
(2009) develop a system in a form of SMSs “to
send technical English words together with the
meanings to students.” The fiding indicates that
sending words is useful for learners’ vocabulary
improvement. In some studies, MALL is compared
with other approaches to see what works best for
students.Lu(2008)investigatesstudents’ performance
“after they learn two sets of English vocabulary
through cell phones and by a paper-based format.
The fiding reveals that students who learn via SMS
know more words than those learning with the
paper-based tasks.” Likewise, Choi and Jeong (2010)
study