Kakao Kids is the official developer of the app which can be found in the Educational category. The most recent update of the tool was released on Oct 16, 2018 and 영유아 숫자, 도형, 색깔 놀이 was downloaded by over 10K users. Google Play shows that this application is rated 4.3 by its users.
It's free of charge to download the installation package of 영유아 숫자, 도형, 색깔 놀이, also, you can take a look at users' reviews on Droid Informer. The app runs on Android 4.4 and higher. The app is completely secure for downloading.