MAMARU in LO Amazonian FCL, is an application to promote the intergenerational transmission of the knowledge of the indigenous Amazonian peoples of Peru, it has content developed in 29 indigenous Amazonian languages of Peru, it is aimed at students of the IV and V cycle of Primary Education of institutions educational EIB for Cultural and Linguistic Strengthening of Amazonian areas of Peru. The app also helps students develop communication, personal social, science and technology skills.