Technical

Pedagogical

Straightforward and simple (Gon & Rawekar, 2017)

Supports in ESL reading (Tangiduk et al., 2021; Fujiono et al., 2021; Afriyeni & Masbiran, 2021; Ferdiansyah et al., 2020; Susanti, 2020)

Free of charge (Gon & Rawekar, 2017)

Ranking and reward system (Akyıldız & Çelik, 2021)

Easily available and downloadable (Gon & Rawekar, 2017)

Provides interaction between teacher and students (Ahmed, 2019; Chai & Basri, 2020)

Already using it (Gon & Rawekar, 2017)

Correcting mistakes and clearing doubts (Ahmed, 2019)

Easily accessible (Hazaea & Alzubi, 2016)

Anytime and anywhere (Wahyuni et al., 2020)