The qualitative study investigated the impact of the English With Tiffani App on vocabulary learning among students, against a backdrop of increasing reliance on digital tools in education. The objective was to evaluate the app's effectiveness as a Mobile Assisted Language Learning (MALL) tool and to understand student perceptions regarding its usage. Using a descriptive qualitative research methodology, data were collected through interviews with students who had used the app for vocabulary enhancement. The results revealed that students found the app beneficial for learning new vocabulary and engaging due to its gamified elements and user-friendly interface. It was concluded that the English With Tiffani App significantly aids in vocabulary acquisition, enhancing students' language learning experiences and outcomes. This study contributes to educational technology by providing empirical evidence on the advantages of gamification in language learning and by suggesting practical implications for incorporating similar digital tools in educational settings to improve student engagement and learning outcomes.

The research that has been conducted is entitled “The Effect of Falou Application in Improving Students’ Speaking Skill”, with the background being that the school want to implement English as the language in the school environment, but students’ speaking skill are still low. This research used quantitative methods with pre-test, treatment, and post-test design approaches in the experimental class and control class. The population in this study were students of class X Madrasah Aliyah Al – Washliyah Tebing Tinggi. This study used sample of two classes, namely experimental class as many as 30 students from X IPA-1 and control class as many as 30 students from X IPS-2. This study used a lottery method with random sampling style to select the sample. The validity processing tool used IBM Statistics Version 29. The result of this study revealed that there was a significant of using Falou Application in improving students’ speaking skill. This can be seen from the increase in the result of test, namely a Sig (2-tailed) value of 0.01 < 0.05 or t count (19.778) higher than t table (0.361). Based on the findings above, it can be concluded that the use of “Falou Application” has a significant effect on students’ speaking skill of Students in Madrasah Aliyah Al – Washliyah Tebing Tinggi.