“…Students do not find it difficult to use this application. The results of other studies show that online learning based on android applications is a very helpful tool in maximizing teaching and learning activities (Indiati, Supandi, Ariyanto, & Kusumaningsih, 2021;Suci, Hobri, & Murtikusuma, 2019), and critical thinking (Damarjati & Miatun, 2021;Widiyatmoko, Utaminingsih, & Santoso, 2021;Puspita & Dewi, 2021). So, today's electronic worksheets are aligned with the needs of 4C skills and teach digital literacy in the 21st century (Maulana & Sopandi, 2022).…”