IWING is a free Android application designed to provide children between 4 to 7 years old with a digital library experience enriched with traditional fairy tales, masterpieces, and other creations. The app aims to help children develop their personality and creativity through picture books while also learning foreign languages with English/Chinese books and native sound books.

The app offers over 150,000 picture fairy tale video streaming books from more than 10,000 publishers and writers. It also includes a curation service that recommends picture books using the morpheme analysis method, ensuring that children will like the book selection.

IWING also provides storytelling with personalized video streaming books that parents can create with their voice. The app is designed to be utilized in kindergarten/childcare center and elementary school curriculum to improve verbal fluency. However, it is important to note that the app requires a regular payment after signing up, which is automatically renewed and charged monthly.

The app also offers social media presence through its blog, YouTube channel, and Instagram account. For customer service, users can contact IWING through their customer service number or email.

Overall, IWING is a great digital library app for children, with a vast selection of books and features that support their learning and creativity.