Penelitian dan pengembangan ini bertujuan untuk mengembangkan media pembelajaran berupa buku saku berbasis android guna mengetahui kelayakan dari produk yang dikembangkan melalui model Borg and Gall yang telah dimodifikasi oleh Setyosari menjadi 7 langkah yaitu (1) penelitian dan pengumpulan informasi, (2) perencanaan, (3) pengembangan produk awal, (4) uji coba awal, (5) revisi produk, (6) uji coba lapangan, (7) revisi produk akhir. Analisis data dilakukan dengan deskriptif kualitatif dan kuantitatif. Kriteria kelayakan minimal berada dikategori layak 85%-100%. Hasil yang diperoleh menunjukkan bahwa media yang dikembangkan layak dan memenuhi syarat yang digunakan sebagai buku saku berbasis android, penilaian yang dihasilkan dinilai dari validasi ahli dan respon siswa. Validasi ahli materi mendapat persentase 97,5%, validasi ahli media mendapat persentase 95% dan validasi ahli bahasa mendapat persentase 92.5% pada masa pandemi COVID- 19 uji coba produk dilakukan secara daring dan luring di kelas XI IPS mendapatkan hasil persentase sebesar 84%. Hasil penelitian pengembangan media pembelajaran buku saku berbasis android ini menunjukkan bahwa media memenuhi kelayakkan untuk digunakan dalam pembelajaran bahasa Indonesia khususnya pada materi meneladani nilai kehidupan dari cerita pendek.

This research and development aimed to develop Icarning media in the form of android-based pocket book to figure out the feasibility of s product developed using Borg and Gall model modified by Setyosari into 7 steps: (1) research and information collection, (2) planning, (3) initial product development, (4) initial trial, (5) product revision, (6) field trial, and (7) final product revis1on. The research data were then processed using both descriptive-gualitative and guantitative analysis. The minimum feasibility criteria were in the feasible category ranging 85%- 100%. The research results showed that the developed media was feasible and met the reguirements to use as an android-based pocket book due to the assessment result from both experts' validation and students’ responses. The material expert, media expert, and linguistic expert had validated the android-based pocket book with the percentage of respectively 97.5%, 95%, and 92.5%. During the Covid-19 pandemic, the product trials were conducted through both online and offline to the Grade XI social students of SMA Negeri 1 Tarakan with the percentage of 84%. The research and development results on learning media of android-based pocket book showed that this android-based pocket book met the feasibility category for the Indonesian language learning, especially related to the material of imitating the life values from short stories.