“…A broad array of previous literature documented that using smart devices allowed young children get access to abundant educational content, fostered learning environments, helped the burden of care by supporting parents (Chen et al, 2018;Choi & Ahn, 2020;Oh & Park, 2019). However, the use of smart devices at an early age can also trigger deterioration of physical, emotional, social, cognitive development as well as poor eyesight (Chen et al, 2018;Choi & Ahn, 2020;Kim et al, 2018;Mullins, 2015). The effects of smart devices by young children would depend on how properly and effectively they are used.…”