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Teaching materials are one of the factors to support the achievement of learning objectives. This is related to the use of appropriate and varied teaching materials in the learning process can increase learning motivation and can reduce the passivity of students. This study aims to produce an android-based digital pocket book product that is feasible for learning. In addition, to find out the increasing interest and ICT skills of students. This research is a research development (R & D) with 4D models. Media validity analysis technique uses (Content Validity Ratio) CVI. Techniques for analyzing increased interest and ICT capabilities use standard gain. The results showed students learning interest had increased in a limited test with a standard gain of 0.450 (moderate) and a broad test of 0.638 (moderate) while the student learning outcomes had increased in a limited test with a standard gain of 0.732 (high) and a broad test of 0.866 (high) . It can be concluded that OPTIKUs pocket book is suitable for widespread use.