"Сёмка" is a free Android app developed by Максим Коновалов that offers a comprehensive collection of educational and entertaining games for kids. The program comes with more than 900 riddles, thematic games, speech development exercises, creative activities, origami schemes, and interesting experiments. The app is designed to be a tool for organizing children's leisure time that contains ideas for every taste, color, and age. Parents can use it to entertain and distract their child in various situations without relying on cartoons and computer games. Educators can also find the app useful as it contains many group games that allow you to engage a large group of children. The materials processed and used in the app are taken from various sources such as books, teaching aids, magazines, and the internet.