すみっコぐらし いっしょにあそぼ is an educational content app that allows users to play various games and activities in the world of "すみっコぐらし" (Sumikko Gurashi). The app offers a range of interactive experiences, including coloring pages, puzzles, spot-the-difference, and role-playing games.

In the role-playing games, users can experience daily life activities such as shopping and cleaning, as well as play mini-games like whack-a-mole and running an ice cream shop. The app encourages users to challenge themselves and set records in these mini-games.

Additionally, the app features a puzzle game where users can complete illustrations by fitting puzzle pieces into the correct spots. There is also a spot-the-difference game where users can compare two images and find the differences. The app also offers coloring pages with cute illustrations of the Sumikko Gurashi characters, allowing users to save up to five completed illustrations in an album.

Please note that the app is free to download, and new users are granted five free tickets to play. Once these tickets are used up, users can receive one free ticket per day for subsequent plays. There is also an optional subscription plan called "すみっコぐらし いっしょにあそぼ 遊び放題プラン" that provides unlimited access to the app's content for a monthly or annual fee.