<![CDATA[This study uses the Research and Development (R&D) method with the ADDIE development model. The techniques used for data collection include interviews, questionnaires and documentation and are equipped with system testing procedures. Blackbox Testing techniques and validation of product feasibility by experts were carried out to obtain responses regarding the feasibility of learning media. The validation results for product feasibility were analyzed and then converted using a Likert Scale. The objectives of this study are: 1) To determine and assess the level of feasibility of the design of android-based learning for the subject of science, the material of elements, compounds and mixtures for class VIII of SMP Negeri 7 Surakarta; 2) To determine the responses of teachers regarding the design of android-based learning for the subject of science, the material of elements, compounds and mixtures for class VIII of SMP Negeri 7 Surakarta. The results of the study showed that the learning media "A.P.I" obtained very feasible criteria. The results obtained from material experts produced an average percentage of 82%, from media experts produced an average percentage of 85%, then from educators produced an average percentage of 75%. Thus, the learning media "A.P.I" is considered to be able to be used as an alternative learning resource in supporting the science learning process.]]>
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