About Valeriy Skachko Valeriy Skachko is one of KaiOS’ top certified developers. Since 2018, he has published over 100 KaiOS apps, available on both the KaiStore and JioStore. Learn about his journey and lessons you can apply to your own software development. How did you get started with KaiOS?I started developing the first applications for mobile phones, at that time in Java ME (J2ME), in 2012, in addition to my teaching activities.