App building is no longer as complicated as it used to be. You don't need to be a code developer to do it. Several online platforms offer the tools and know-how for you to embark on your own app-building experience. As a teacher, you might use one of these platforms to design your own apps; ones that would better speak to the learning needs and challenges of your students. It might sound a little bit challenging but let me tell you this : the more you practice the easier it gets.