“…According to the opinion, the "Smart-Ku" M-Learning application can provide a good understanding of this tolerance attitude (Lestari, 2019). Therefore, mobile learning-based applications can be developed to grow students' abilities and attitudes (Abdjul et al, 2020;Alnabhan & Aljaraideh, 2014;Hanif, 2020;Mishra, 2020;Ramud et al, 2018). Friendly applications need to be developed by educators to provide students with an understanding of the attitudes that characterize the Indonesian nation as an Eastern nation with good manners following the characteristics of the Indonesian state.…”