Mafynetti is an Android-based educational app developed by MAFY Oy. This free app includes demo-versions of their Biology, Physics, and Chemistry courses. Upon launching the application, the demo-versions are downloaded automatically. The full versions are used in MAFY's own teaching and are also available for self-study.

The app's interface is user-friendly, making it easy to navigate and find the desired content. The courses are well-structured, covering the essential topics and concepts in each subject. The app offers a great learning experience for science enthusiasts, whether they are students or simply curious individuals.

Overall, Mafynetti is a great educational app that provides a convenient and accessible way to learn about science. It is highly recommended for those who want to expand their knowledge and understanding of Biology, Physics, and Chemistry.